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Causantín mac Áeda ( Modern Gaelic: ,
anglicised Anglicisation is the process by which a place or person becomes influenced by English culture or British culture, or a process of cultural and/or linguistic change in which something non-English becomes English. It can also refer to the influen ...
Constantine II; born no later than 879; died 952) was an early
King of Scotland The monarchy of the United Kingdom, commonly referred to as the British monarchy, is the constitutional form of government by which a hereditary sovereign reigns as the head of state of the United Kingdom, the Crown Dependencies (the Bailiwi ...
, known then by the Gaelic name ''Alba''. The
Kingdom of Alba The Kingdom of Alba ( la, Scotia; sga, Alba) was the Kingdom of Scotland between the deaths of Donald II in 900 and of Alexander III in 1286. The latter's death led indirectly to an invasion of Scotland by Edward I of England in 1296 and the ...
, a name which first appears in Constantine's lifetime, was situated in modern-day Scotland. The core of the kingdom was formed by the lands around the
River Tay The River Tay ( gd, Tatha, ; probably from the conjectured Brythonic ''Tausa'', possibly meaning 'silent one' or 'strong one' or, simply, 'flowing') is the longest river in Scotland and the seventh-longest in Great Britain. The Tay originates ...
. Its southern limit was the
River Forth The River Forth is a major river in central Scotland, long, which drains into the North Sea on the east coast of the country. Its drainage basin covers much of Stirlingshire in Scotland's Central Belt. The Gaelic name for the upper reach of t ...
, northwards it extended towards the
Moray Firth The Moray Firth (; Scottish Gaelic: ''An Cuan Moireach'', ''Linne Mhoireibh'' or ''Caolas Mhoireibh'') is a roughly triangular inlet (or firth) of the North Sea, north and east of Inverness, which is in the Highland council area of north of ...
and perhaps to Caithness, while its western limits are uncertain. Constantine's grandfather
Kenneth I of Scotland Kenneth MacAlpin ( mga, Cináed mac Ailpin, label= Medieval Gaelic, gd, Coinneach mac Ailpein, label=Modern Scottish Gaelic; 810 – 13 February 858) or Kenneth I was King of Dál Riada (841–850), King of the Picts (843–858), and the K ...
(Cináed mac Ailpín, died 858) was the first of the family recorded as a king, but as
king of the Picts The list of kings of the Picts is based on the Pictish Chronicle king lists. These are late documents and do not record the dates when the kings reigned. The various surviving lists disagree in places as to the names of kings, and the lengths o ...
. This change of title, from king of the Picts to king of Alba, is part of a broader transformation of
Pictland The Picts were a group of peoples who lived in what is now northern and eastern Scotland (north of the Firth of Forth) during Late Antiquity and the Early Middle Ages. Where they lived and what their culture was like can be inferred from ear ...
and the
origins of the Kingdom of Alba The origins of the Kingdom of Alba pertain to the origins of the Kingdom of Alba, or the Gaelic Kingdom of Scotland, either as a mythological event or a historical process, during the Early Middle Ages. Origin paradigms Medieval version The o ...
are traced to Constantine's lifetime. His reign, like those of his predecessors, was dominated by the actions of
Viking Vikings ; non, víkingr is the modern name given to seafaring people originally from Scandinavia (present-day Denmark, Norway and Sweden), who from the late 8th to the late 11th centuries raided, pirated, traded and se ...
rulers in the
British Isles The British Isles are a group of islands in the North Atlantic Ocean off the north-western coast of continental Europe, consisting of the islands of Great Britain, Ireland, the Isle of Man, the Inner and Outer Hebrides, the Northern Isles, ...
, particularly the
Uí Ímair The Uí Ímair (; meaning ‘''scions of Ivar’''), also known as the Ivar Dynasty or Ivarids was a royal Norse-Gael dynasty which ruled much of the Irish Sea region, the Kingdom of Dublin, the western coast of Scotland, including the Hebrides ...
("the grandsons of Ímar", or
Ivar the Boneless Ivar the Boneless ( non, Ívarr hinn Beinlausi ; died c. 873), also known as Ivar Ragnarsson, was a Viking leader who invaded England and Ireland. According to the '' Tale of Ragnar Lodbrok'', he was the son of Ragnar Loðbrok and his wife A ...
). During Constantine's reign the rulers of the southern kingdoms of
Wessex la, Regnum Occidentalium Saxonum , conventional_long_name = Kingdom of the West Saxons , common_name = Wessex , image_map = Southern British Isles 9th century.svg , map_caption = S ...
and
Mercia la, Merciorum regnum , conventional_long_name=Kingdom of Mercia , common_name=Mercia , status=Kingdom , status_text=Independent kingdom (527–879)Client state of Wessex () , life_span=527–918 , era=Heptarchy , event_start= , date_start= , ye ...
, later the
Kingdom of England The Kingdom of England (, ) was a sovereign state on the island of Great Britain from 12 July 927, when it emerged from various Anglo-Saxon kingdoms, until 1 May 1707, when it united with Scotland to form the Kingdom of Great Britain. On 12 ...
, extended their authority northwards into the disputed kingdoms of
Northumbria la, Regnum Northanhymbrorum , conventional_long_name = Kingdom of Northumbria , common_name = Northumbria , status = State , status_text = Unified Anglian kingdom (before 876)North: Anglian kingdom (af ...
. At first, the southern rulers allied with him against the Vikings, but in 934 Æthelstan, unprovoked, invaded Scotland both by sea and land with a huge retinue that included four Welsh Kings. He ravaged southern Alba but there is no record of any battles. He had withdrawn by September. Three years later in 937, probably in retaliation for the invasion of Alba, King Constantine allied with
Olaf Guthfrithson Olaf Guthfrithson or Anlaf Guthfrithson ( non, Óláfr Guðrøðsson ; oe, Ánláf; sga, Amlaíb mac Gofraid; died 941) was a Hiberno-Scandinavian (Irish-Viking) leader who ruled Dublin and Viking Northumbria in the 10th century. He was th ...
,
King of Dublin Vikings invaded the territory around Dublin in the 9th century, establishing the Norse Kingdom of Dublin, the earliest and longest-lasting Norse kingdom in Ireland. Its territory corresponded to most of present-day County Dublin. The Norse refe ...
, and Owain ap Dyfnwal,
King of Strathclyde The list of the kings of Strathclyde concerns the kings of Alt Clut, later Strathclyde, a Brythonic kingdom in what is now western Scotland. The kingdom was ruled from Dumbarton Rock, ''Alt Clut'', the Brythonic name of the rock, until around ...
, but they were defeated at the
battle of Brunanburh The Battle of Brunanburh was fought in 937 between Æthelstan, King of England, and an alliance of Olaf Guthfrithson, King of Dublin, Constantine II, King of Scotland, and Owain, King of Strathclyde. The battle is often cited as the point ...
. In 943 Constantine abdicated the throne and retired to the Céli Dé (Culdee) monastery of St Andrews where he died in 952. He was succeeded by his predecessor's son Malcolm I (Máel Coluim mac Domnaill). Constantine's reign of 43 years, exceeded in Scotland only by that of King
William the Lion William the Lion, sometimes styled William I and also known by the nickname Garbh, "the Rough"''Uilleam Garbh''; e.g. Annals of Ulster, s.a. 1214.6; Annals of Loch Cé, s.a. 1213.10. ( 1142 – 4 December 1214), reigned as King of Scots from 11 ...
before the
Union of the Crowns The Union of the Crowns ( gd, Aonadh nan Crùintean; sco, Union o the Crouns) was the accession of James VI of Scotland to the throne of the Kingdom of England as James I and the practical unification of some functions (such as overseas dipl ...
in 1603, is believed to have played a defining part in the
gaelicisation Gaelicisation, or Gaelicization, is the act or process of making something Gaelic, or gaining characteristics of the '' Gaels'', a sub-branch of celticisation. The Gaels are an ethno-linguistic group, traditionally viewed as having spread from ...
of Pictland, in which his patronage of the Irish Céli Dé monastic reformers was a significant factor. During his reign, the words "Scots" and "Scotland" ( ang, Scottas, Scotland) are first used to mean part of what is now
Scotland Scotland (, ) is a country that is part of the United Kingdom. Covering the northern third of the island of Great Britain, mainland Scotland has a border with England to the southeast and is otherwise surrounded by the Atlantic Ocean to th ...
. The earliest evidence for the ecclesiastical and administrative institutions which would last until the
Davidian Revolution The Davidian Revolution is a name given by many scholars to the changes which took place in the Kingdom of Scotland during the reign of David I (1124–1153). These included his foundation of burghs, implementation of the ideals of Gregoria ...
also appears at this time.


Sources

Compared to neighbouring Ireland and Anglo-Saxon England, few records of 9th- and 10th-century events in Scotland survive. The main local source from the period is the ''
Chronicle of the Kings of Alba The ''Chronicle of the Kings of Alba'', or ''Scottish Chronicle'', is a short written chronicle of the Kings of Alba, covering the period from the time of Kenneth MacAlpin (Cináed mac Ailpín) (d. 858) until the reign of Kenneth II (Cináed mac ...
'', a list of kings from Kenneth MacAlpin (died 858) to Kenneth II (Cináed mac Maíl Coluim, died 995). The list survives in the Poppleton Manuscript, a 13th-century compilation. Originally simply a list of kings with reign lengths, the other details contained in the Poppleton Manuscript version were added in the 10th and 12th centuries. In addition to this, later king lists survive. The earliest
genealogical Genealogy () is the study of families, family history, and the tracing of their lineages. Genealogists use oral interviews, historical records, genetic analysis, and other records to obtain information about a family and to demonstrate kins ...
records of the descendants of Kenneth MacAlpin may date from the end of the 10th century, but their value lies more in their context, and the information they provide about the interests of those for whom they were compiled, than in the unreliable claims they contain. For narrative history the principal sources are the '' Anglo-Saxon Chronicle'' and the
Irish annals A number of Irish annals, of which the earliest was the Chronicle of Ireland, were compiled up to and shortly after the end of the 17th century. Annals were originally a means by which monks determined the yearly chronology of feast days. Over ...
. The evidence from
charter A charter is the grant of authority or rights, stating that the granter formally recognizes the prerogative of the recipient to exercise the rights specified. It is implicit that the granter retains superiority (or sovereignty), and that the rec ...
s created in the
Kingdom of England The Kingdom of England (, ) was a sovereign state on the island of Great Britain from 12 July 927, when it emerged from various Anglo-Saxon kingdoms, until 1 May 1707, when it united with Scotland to form the Kingdom of Great Britain. On 12 ...
provides occasional insight into events in Scotland. While
Scandinavia Scandinavia; Sámi languages: /. ( ) is a subregion in Northern Europe, with strong historical, cultural, and linguistic ties between its constituent peoples. In English usage, ''Scandinavia'' most commonly refers to Denmark, Norway, and Swed ...
n
sagas is a series of science fantasy role-playing video games by Square Enix. The series originated on the Game Boy in 1989 as the creation of Akitoshi Kawazu at Square. It has since continued across multiple platforms, from the Super NES to the Play ...
describe events in 10th-century Britain, their value as sources of historical narrative, rather than documents of social history, is disputed. Mainland European sources rarely concern themselves with affairs in any part of the British Isles, and even less commonly with events in Scotland, but the life of Saint
Cathróe of Metz Saint Cathróe (circa 900–971) was a monk and abbot. His life is recorded in a hagiography written soon after his death by a monk at the at Metz, where Cathróe was abbot. Miracles of healing were attributed to Cathróe during his life, a ...
, a work of
hagiography A hagiography (; ) is a biography of a saint or an ecclesiastical leader, as well as, by extension, an adulatory and idealized biography of a founder, saint, monk, nun or icon in any of the world's religions. Early Christian hagiographies might ...
written in Germany at the end of the 10th century, provides plausible details of the saint's early life in north Britain. While the sources for north-eastern Britain, the lands of the kingdom of
Northumbria la, Regnum Northanhymbrorum , conventional_long_name = Kingdom of Northumbria , common_name = Northumbria , status = State , status_text = Unified Anglian kingdom (before 876)North: Anglian kingdom (af ...
and the former Pictland, are limited and late, those for the areas on the
Irish Sea The Irish Sea or , gv, Y Keayn Yernagh, sco, Erse Sie, gd, Muir Èireann , Ulster-Scots: ''Airish Sea'', cy, Môr Iwerddon . is an extensive body of water that separates the islands of Ireland and Great Britain. It is linked to the C ...
and Atlantic coasts—the modern regions of north-west England and all of northern and western Scotland—are non-existent, and
archaeology Archaeology or archeology is the scientific study of human activity through the recovery and analysis of material culture. The archaeological record consists of artifacts, architecture, biofacts or ecofacts, sites, and cultural landscape ...
and
toponymy Toponymy, toponymics, or toponomastics is the study of '' toponyms'' (proper names of places, also known as place names and geographic names), including their origins, meanings, usage and types. Toponym is the general term for a proper name of ...
are of primary importance.


Pictland from Constantín mac Fergusa to Constantine I

The dominant kingdom in eastern Scotland before the
Viking Age The Viking Age () was the period during the Middle Ages when Norsemen known as Vikings undertook large-scale raiding, colonizing, conquest, and trading throughout Europe and reached North America. It followed the Migration Period and the Germ ...
was the northern
Pictish Pictish is the extinct Brittonic language spoken by the Picts, the people of eastern and northern Scotland from Late Antiquity to the Early Middle Ages. Virtually no direct attestations of Pictish remain, short of a limited number of geograph ...
kingdom of
Fortriu Fortriu ( la, Verturiones; sga, *Foirtrinn; ang, Wærteras; xpi, *Uerteru) was a Pictish kingdom that existed between the 4th and 10th centuries. It was traditionally believed to be located in and around Strathearn in central Scotland, but is ...
on the shores of the
Moray Firth The Moray Firth (; Scottish Gaelic: ''An Cuan Moireach'', ''Linne Mhoireibh'' or ''Caolas Mhoireibh'') is a roughly triangular inlet (or firth) of the North Sea, north and east of Inverness, which is in the Highland council area of north of ...
. By the 9th century, the
Gaels The Gaels ( ; ga, Na Gaeil ; gd, Na Gàidheil ; gv, Ny Gaeil ) are an ethnolinguistic group native to Ireland, Scotland and the Isle of Man in the British Isles. They are associated with the Gaelic languages: a branch of the Celtic languag ...
of
Dál Riata Dál Riata or Dál Riada (also Dalriada) () was a Gaelic kingdom that encompassed the western seaboard of Scotland and north-eastern Ireland, on each side of the North Channel. At its height in the 6th and 7th centuries, it covered what is ...
(Dalriada) were subject to the kings of Fortriu of the family of Constantín mac Fergusa (Constantine son of Fergus). Constantín's family dominated Fortriu after 789 and perhaps, if Constantín was a kinsman of Óengus I of the Picts (Óengus son of Fergus), from around 730. The dominance of Fortriu came to an end in 839 with a defeat by Viking armies reported by the ''
Annals of Ulster The ''Annals of Ulster'' ( ga, Annála Uladh) are annals of medieval Ireland. The entries span the years from 431 AD to 1540 AD. The entries up to 1489 AD were compiled in the late 15th century by the scribe Ruaidhrí Ó Luinín, ...
'' in which King Uen of Fortriu and his brother Bran, Constantín's nephews, together with the king of Dál Riata, Áed mac Boanta, "and others almost innumerable" were killed. These deaths led to a period of instability lasting a decade as several families attempted to establish their dominance in Pictland. By around 848
Kenneth MacAlpin Kenneth MacAlpin ( mga, Cináed mac Ailpin, label=Medieval Gaelic, gd, Coinneach mac Ailpein, label=Modern Scottish Gaelic; 810 – 13 February 858) or Kenneth I was King of Dál Riada (841–850), King of the Picts (843–858), and the K ...
had emerged as the winner. Later
national myth A national myth is an inspiring narrative or anecdote about a nation's past. Such myths often serve as important national symbols and affirm a set of national values. A national myth may sometimes take the form of a national epic or be incorporate ...
made Kenneth MacAlpin the creator of the
kingdom of Scotland The Kingdom of Scotland (; , ) was a sovereign state in northwest Europe traditionally said to have been founded in 843. Its territories expanded and shrank, but it came to occupy the northern third of the island of Great Britain, sharing a l ...
, the founding of which was dated from 843, the year in which he was said to have destroyed the Picts and inaugurated a new era. The historical record for 9th-century Scotland is meagre, but the Irish annals and the 10th-century ''Chronicle of the Kings of Alba'' agree that Kenneth was a Pictish king, and call him "king of the Picts" at his death. The same style is used of Kenneth's brother Donald I (Domnall mac Ailpín) and sons Constantine I (Constantín mac Cináeda) and Áed (Áed mac Cináeda). The kingdom ruled by Kenneth's descendants—older works used the name
House of Alpin The House of Alpin, also known as the Alpínid dynasty, Clann Chináeda, and Clann Chinaeda meic Ailpín, was the kin-group which ruled in Pictland, possibly Dál Riata, and then the kingdom of Alba from the advent of Kenneth MacAlpin (Cináed ...
to describe them but descent from Kenneth was the defining factor, Irish sources referring to ''Clann Cináeda meic Ailpín'' ("the Clan of Kenneth MacAlpin")—lay to the south of the previously dominant kingdom of Fortriu, centred in the lands around the
River Tay The River Tay ( gd, Tatha, ; probably from the conjectured Brythonic ''Tausa'', possibly meaning 'silent one' or 'strong one' or, simply, 'flowing') is the longest river in Scotland and the seventh-longest in Great Britain. The Tay originates ...
. The extent of Kenneth's nameless kingdom is uncertain, but it certainly extended from the
Firth of Forth The Firth of Forth () is the estuary, or firth, of several Scottish rivers including the River Forth. It meets the North Sea with Fife on the north coast and Lothian on the south. Name ''Firth'' is a cognate of ''fjord'', a Norse word meani ...
in the south to the
Mounth The Mounth ( ) is the broad upland in northeast Scotland between the Highland Boundary and the River Dee, at the eastern end of the Grampians. Name and etymology The name ''Mounth'' is ultimately of Pictish origin. The name is derived from ' ...
in the north. Whether it extended beyond the mountainous spine of north Britain— Druim Alban—is unclear. The core of the kingdom was similar to the old counties of Mearns,
Forfar Forfar ( sco, Farfar, gd, Baile Fharfair) is the county town of Angus, Scotland and the administrative centre for Angus Council, with a new multi-million pound office complex located on the outskirts of the town. As of 2021, the town has a po ...
,
Perth Perth is the capital and largest city of the Australian state of Western Australia. It is the fourth most populous city in Australia and Oceania, with a population of 2.1 million (80% of the state) living in Greater Perth in 2020. Perth is ...
, Fife, and
Kinross Kinross (, gd, Ceann Rois) is a burgh in Perth and Kinross, Scotland, around south of Perth and around northwest of Edinburgh. It is the traditional county town of the historic county of Kinross-shire. History Kinross's origins are connect ...
. Among the chief ecclesiastical centres named in the records are
Dunkeld Dunkeld (, sco, Dunkell, from gd, Dùn Chailleann, "fort of the Caledonians") is a town in Perth and Kinross, Scotland. The location of a historic cathedral, it lies on the north bank of the River Tay, opposite Birnam. Dunkeld lies close to t ...
, probably seat of the bishop of the kingdom, and ''Cell Rígmonaid'' (modern
St Andrews St Andrews ( la, S. Andrea(s); sco, Saunt Aundraes; gd, Cill Rìmhinn) is a town on the east coast of Fife in Scotland, southeast of Dundee and northeast of Edinburgh. St Andrews had a recorded population of 16,800 , making it Fife's fourt ...
). Kenneth's son Constantine died in 876, probably killed fighting against a Viking army that had come north from Northumbria in 874. According to the king lists, he was counted as the 70th and last king of the Picts in later times.


Britain and Ireland at the end of the 9th century

In 899
Alfred the Great Alfred the Great (alt. Ælfred 848/849 – 26 October 899) was King of the West Saxons from 871 to 886, and King of the Anglo-Saxons from 886 until his death in 899. He was the youngest son of King Æthelwulf and his first wife Osburh, who b ...
, king of
Wessex la, Regnum Occidentalium Saxonum , conventional_long_name = Kingdom of the West Saxons , common_name = Wessex , image_map = Southern British Isles 9th century.svg , map_caption = S ...
, died leaving his son
Edward the Elder Edward the Elder (17 July 924) was King of the Anglo-Saxons from 899 until his death in 924. He was the elder son of Alfred the Great and his wife Ealhswith. When Edward succeeded to the throne, he had to defeat a challenge from his cousin � ...
as ruler of England south of the
River Thames The River Thames ( ), known alternatively in parts as the River Isis, is a river that flows through southern England including London. At , it is the longest river entirely in England and the second-longest in the United Kingdom, after the ...
and his daughter
Æthelflæd Æthelflæd, Lady of the Mercians ( 870 – 12 June 918) ruled Mercia in the English Midlands from 911 until her death. She was the eldest daughter of Alfred the Great, king of the Anglo-Saxon kingdom of Wessex, and his wife Ealhswith. Æthe ...
and son-in-law Æthelred ruling the western, English part of
Mercia la, Merciorum regnum , conventional_long_name=Kingdom of Mercia , common_name=Mercia , status=Kingdom , status_text=Independent kingdom (527–879)Client state of Wessex () , life_span=527–918 , era=Heptarchy , event_start= , date_start= , ye ...
. The situation in the Danish kingdoms of eastern England is less clear. King Eohric was probably ruling in
East Anglia East Anglia is an area in the East of England, often defined as including the counties of Norfolk, Suffolk and Cambridgeshire. The name derives from the Anglo-Saxon kingdom of the East Angles, a people whose name originated in Anglia, in wh ...
, but no dates can reliably be assigned to the successors of Guthfrith of York in Northumbria. It is known that Guthfrith was succeeded by Sigurd and Cnut, although whether these men ruled jointly or one after the other is uncertain. Northumbria may have been divided by this time between the Viking kings in York and the local rulers, perhaps represented by Eadulf, based at
Bamburgh Bamburgh ( ) is a village and civil parish on the coast of Northumberland, England. It had a population of 454 in 2001, decreasing to 414 at the 2011 census. The village is notable for the nearby Bamburgh Castle, a castle which was the seat of ...
who controlled the lands from the
River Tyne The River Tyne is a river in North East England. Its length (excluding tributaries) is . It is formed by the North Tyne and the South Tyne, which converge at Warden Rock near Hexham in Northumberland at a place dubbed 'The Meeting of the Wate ...
or
River Tees The River Tees (), in Northern England, rises on the eastern slope of Cross Fell in the North Pennines and flows eastwards for to reach the North Sea between Hartlepool and Redcar near Middlesbrough. The modern day history of the river has bee ...
to the Forth in the north. In Ireland,
Flann Sinna Flann Sinna ( lit. ''Flann of the Shannon''; Irish: ''Flann na Sionainne''; 84725 May 916), also known as Flann mac Máel Sechnaill, was the son of Máel Sechnaill mac Máele Ruanaid of Clann Cholmáin, a branch of the Southern Uí Néill. He ...
, married to Constantine's aunt Máel Muire, was dominant. The years around 900 represented a period of weakness among the Vikings and Norse-Gaels of
Dublin Dublin (; , or ) is the capital and largest city of Ireland. On a bay at the mouth of the River Liffey, it is in the province of Leinster, bordered on the south by the Dublin Mountains, a part of the Wicklow Mountains range. At the 2016 cen ...
. They are reported to have been divided between two rival leaders. In 894 one group left Dublin, perhaps settling on the Irish Sea coast of Britain between the
River Mersey The River Mersey () is in North West England. Its name derives from Old English and means "boundary river", possibly referring to its having been a border between the ancient kingdoms of Mercia and Northumbria. For centuries it has formed part ...
and the
Firth of Clyde The Firth of Clyde is the mouth of the River Clyde. It is located on the west coast of Scotland and constitutes the deepest coastal waters in the British Isles (it is 164 metres deep at its deepest). The firth is sheltered from the Atlantic ...
. The remaining Dubliners were expelled in 902 by Flann Sinna's son-in-law
Cerball mac Muirecáin Cerball mac Muirecáin (died 909) was king of Leinster. He was the son of Muirecán mac Diarmata and a member of the Uí Fáeláin, the descendants of Fáelán mac Murchado (died 738), of one of three septs of the Uí Dúnlainge of modern Coun ...
, and soon afterwards appeared in western and northern Britain. To the southwest of Constantine's lands lay the
kingdom of Strathclyde Strathclyde (lit. " Strath of the River Clyde", and Strað-Clota in Old English), was a Brittonic successor state of the Roman Empire and one of the early medieval kingdoms of the Britons, located in the region the Welsh tribes referred to as ...
. This extended north into the Lennox, east to the River Forth, and south into the
Southern Uplands The Southern Uplands ( gd, Na Monaidhean a Deas) are the southernmost and least populous of mainland Scotland's three major geographic areas (the other two being the Central Lowlands and the Grampian Mountains and the Highlands, as illustrated ...
. In 900 it was probably ruled by King Dyfnwal. The situation of the Gaelic kingdoms of
Dál Riata Dál Riata or Dál Riada (also Dalriada) () was a Gaelic kingdom that encompassed the western seaboard of Scotland and north-eastern Ireland, on each side of the North Channel. At its height in the 6th and 7th centuries, it covered what is ...
in western Scotland is uncertain. No kings are known by name after Áed mac Boanta. The
Frankish Frankish may refer to: * Franks, a Germanic tribe and their culture ** Frankish language or its modern descendants, Franconian languages * Francia, a post-Roman state in France and Germany * East Francia, the successor state to Francia in Germany ...
'' Annales Bertiniani'' may record the conquest of the
Inner Hebrides The Inner Hebrides (; Scottish Gaelic: ''Na h-Eileanan a-staigh'', "the inner isles") is an archipelago off the west coast of mainland Scotland, to the south east of the Outer Hebrides. Together these two island chains form the Hebrides, whic ...
, the seaward part of Dál Riata, by Northmen in 849. In addition to these, the arrival of new groups of Vikings from northern and western Europe was still commonplace. Whether there were Viking or Norse-Gael kingdoms in the
Western Isles The Outer Hebrides () or Western Isles ( gd, Na h-Eileanan Siar or or ("islands of the strangers"); sco, Waster Isles), sometimes known as the Long Isle/Long Island ( gd, An t-Eilean Fada, links=no), is an island chain off the west coas ...
or the
Northern Isles The Northern Isles ( sco, Northren Isles; gd, Na h-Eileanan a Tuath; non, Norðreyjar; nrn, Nordøjar) are a pair of archipelagos off the north coast of mainland Scotland, comprising Orkney and Shetland. They are part of Scotland, as are th ...
at this time is debated.


Early life

Áed, Constantine's father, succeeded Constantine's uncle and namesake Constantine I in 876 but was killed in 878. Áed's short reign is glossed as being of no importance by most king lists. Although the date of his birth is nowhere recorded, Constantine II cannot have been born any later than the year after his father's death, ''i.e.'', 879. His name may suggest that he was born a few years earlier, during the reign of his uncle Constantine I. After Áed's death, there is a two-decade gap until the death of Donald II (Domnall mac Constantín) in 900 during which nothing is reported in the Irish annals. The entry for the reign between Áed and Donald II is corrupt in the ''Chronicle of the Kings of Alba'', and in this case, the ''Chronicle'' is at variance with every other king list. According to the ''Chronicle'', Áed was followed by
Eochaid Eochaid or Eochaidh (earlier Eochu or Eocho, sometimes Anglicised as Eochy, Achaius or Haughey) is a popular medieval Irish and Scottish Gaelic name deriving from Old Irish ''ech'', horse, borne by a variety of historical and legendary figures. ...
, a grandson of Kenneth MacAlpin, who is somehow connected with
Giric Giric mac Dúngail ( Modern Gaelic: ''Griogair mac Dhunghail''; fl. c. 878–889), known in English simply as Giric and nicknamed Mac Rath ("Son of Fortune"), was a king of the Picts or the king of Alba. The Irish annals record nothing of ...
, but all other lists say that Giric ruled after Áed and make great claims for him. Giric is not known to have been a kinsman of Kenneth's, although it has been suggested that he was related to him by marriage. The major changes in Pictland which began at about this time have been associated by Alex Woolf and Archie Duncan with Giric's reign. Woolf suggests that Constantine and his younger brother Donald may have passed Giric's reign in exile in Ireland where their aunt Máel Muire was wife of two successive
High Kings of Ireland High King of Ireland ( ga, Ardrí na hÉireann ) was a royal title in Gaelic Ireland held by those who had, or who are claimed to have had, lordship over all of Ireland. The title was held by historical kings and later sometimes assigned a ...
, Áed Findliath and
Flann Sinna Flann Sinna ( lit. ''Flann of the Shannon''; Irish: ''Flann na Sionainne''; 84725 May 916), also known as Flann mac Máel Sechnaill, was the son of Máel Sechnaill mac Máele Ruanaid of Clann Cholmáin, a branch of the Southern Uí Néill. He ...
. Giric died in 889. If he had been in exile, Constantine may have returned to Pictland where his cousin Donald II became king. Donald's reputation is suggested by the
epithet An epithet (, ), also byname, is a descriptive term (word or phrase) known for accompanying or occurring in place of a name and having entered common usage. It has various shades of meaning when applied to seemingly real or fictitious people, di ...
''dasachtach'', a word used of violent madmen and mad bulls, attached to him in the 11th-century writings of Flann Mainistrech, echoed by his description in the '' Prophecy of Berchan'' as "the rough one who will think relics and psalms of little worth". Wars with the Viking kings in Britain and Ireland continued during Donald's reign and he was probably killed fighting yet more Vikings at Dunnottar in the Mearns in 900. Constantine succeeded him as king.


Vikings and bishops

The earliest event recorded in the ''Chronicle of the Kings of Alba'' in Constantine's reign is an attack by Vikings and the plundering of Dunkeld "and all Albania" in his third year. This is the first use of the word Albania, the
Latin Latin (, or , ) is a classical language belonging to the Italic branch of the Indo-European languages. Latin was originally a dialect spoken in the lower Tiber area (then known as Latium) around present-day Rome, but through the power of the ...
form of the
Old Irish Old Irish, also called Old Gaelic ( sga, Goídelc, Ogham script: ᚌᚑᚔᚇᚓᚂᚉ; ga, Sean-Ghaeilge; gd, Seann-Ghàidhlig; gv, Shenn Yernish or ), is the oldest form of the Goidelic/Gaelic language for which there are extensive writt ...
''Alba'', in the ''Chronicle'' which until then describes the lands ruled by the descendants of Cináed as Pictavia. These Norsemen could have been some of those who were driven out of
Dublin Dublin (; , or ) is the capital and largest city of Ireland. On a bay at the mouth of the River Liffey, it is in the province of Leinster, bordered on the south by the Dublin Mountains, a part of the Wicklow Mountains range. At the 2016 cen ...
in 902, or were the same group who had defeated Domnall in 900. The ''Chronicle'' states that the Northmen were killed in ''Srath Erenn'', which is confirmed by the ''Annals of Ulster'' which records the death of Ímar grandson of Ímar and many others at the hands of the men of Fortriu in 904. This Ímar was the first of the
Uí Ímair The Uí Ímair (; meaning ‘''scions of Ivar’''), also known as the Ivar Dynasty or Ivarids was a royal Norse-Gael dynasty which ruled much of the Irish Sea region, the Kingdom of Dublin, the western coast of Scotland, including the Hebrides ...
, the grandsons of Ímar, to be reported; three more grandsons of Ímar appear later in Constantín's reign. The ''
Fragmentary Annals of Ireland The ''Fragmentary Annals of Ireland'' or ''Three Fragments'' are a Middle Irish combination of chronicles from various Irish annals and narrative history. They were compiled in the kingdom of Osraige, probably in the lifetime of Donnchad mac Gill ...
'' contain an account of the battle, and this attributes the defeat of the Norsemen to the intercession of Saint Columba following fasting and prayer. An entry in the ''
Chronicon Scotorum ''Chronicon Scotorum'', also known as ''Chronicum Scotorum'', is a medieval Irish chronicle. Overview According to Nollaig Ó Muraíle, it is "a collection of annals belonging to the ' Clonmacnoise group', covering the period from prehistoric ti ...
'' under the year 904 may possibly contain a corrupted reference to this battle. The next event reported by the ''Chronicle of the Kings of Alba'' is dated to 906. This records that:
King Constantine and Bishop Cellach met at the ''Hill of Belief'' near the royal city of
Scone A scone is a baked good, usually made of either wheat or oatmeal with baking powder as a leavening agent, and baked on sheet pans. A scone is often slightly sweetened and occasionally glazed with egg wash. The scone is a basic component of t ...
and pledged themselves that the laws and disciplines of the faith, and the laws of churches and gospels, should be kept ''pariter cum Scottis''.
The meaning of this entry, and its significance, have been the subject of debate. The phrase ''pariter cum Scottis'' in the
Latin Latin (, or , ) is a classical language belonging to the Italic branch of the Indo-European languages. Latin was originally a dialect spoken in the lower Tiber area (then known as Latium) around present-day Rome, but through the power of the ...
text of the ''Chronicle'' has been translated in several ways.
William Forbes Skene William Forbes Skene WS FRSE FSA(Scot) DCL LLD (7 June 1809 – 29 August 1892), was a Scottish lawyer, historian and antiquary. He co-founded the Scottish legal firm Skene Edwards which was prominent throughout the 20th century but disappe ...
and
Alan Orr Anderson Alan Orr Anderson (1879–1958) was a Scottish historian and compiler. The son of Rev. John Anderson and Ann Masson, he was born in 1879. He was educated at Royal High School, Edinburgh, and the University of Edinburgh. In 1908, after five ...
proposed that it should be read as "in conformity with the customs of the Gaels", relating it to the claims in the king lists that Giric liberated the church from secular oppression and adopted Irish customs. It has been read as "together with the Gaels", suggesting either public participation or the presence of Gaels from the western coasts as well as the people of the east coast. Finally, it is suggested that it was the ceremony that followed "the custom of the Gaels" and not the agreements. The idea that this gathering agreed to uphold Irish laws governing the church has suggested that it was an important step in the
gaelicisation Gaelicisation, or Gaelicization, is the act or process of making something Gaelic, or gaining characteristics of the '' Gaels'', a sub-branch of celticisation. The Gaels are an ethno-linguistic group, traditionally viewed as having spread from ...
of the lands east of Druim Alban. Others have proposed that the ceremony in some way endorsed Constantine's kingship, prefiguring later royal inaugurations at Scone. Alternatively, if Bishop Cellach was appointed by Giric, it may be that the gathering was intended to heal a rift between king and church.


Return of the Uí Ímair

Following the events at Scone, there is little of substance reported for a decade. A story in the ''Fragmentary Annals of Ireland'', perhaps referring to events sometime after 911, claims that Queen Æthelflæd, who ruled in Mercia, allied with the Irish and northern rulers against the Norsemen on the Irish sea coasts of Northumbria. The ''Annals of Ulster'' record the defeat of an Irish fleet from the kingdom of
Ulaid Ulaid (Old Irish, ) or Ulaidh (Modern Irish, ) was a Gaelic over-kingdom in north-eastern Ireland during the Middle Ages made up of a confederation of dynastic groups. Alternative names include Ulidia, which is the Latin form of Ulaid, and in ...
by Vikings "on the coast of England" at about this time. In this period the ''Chronicle of the Kings of Alba'' reports the death of
Cormac mac Cuilennáin Cormac mac Cuilennáin (died 13 September 908) was an Irish bishop and the king of Munster from 902 until his death at the Battle of Bellaghmoon. He was killed in Leinster. Cormac was regarded as a saintly figure after his death, and his shri ...
,
king of Munster The kings of Munster ( ga, Rí Mumhan), ruled from the establishment of Munster during the Irish Iron Age, until the High Middle Ages. According to Gaelic traditional history, laid out in works such as the '' Book of Invasions'', the earliest ...
, in the eighth year of Constantine's reign. This is followed by an undated entry which was formerly read as "In his time Domnall .e. Dyfnwal king of the trathclydeBritons died, and Domnall son of Áed was elected". This was thought to record the election of a brother of Constantine named Domnall to the kingship of the Britons of Strathclyde and was seen as early evidence of the domination of Strathclyde by the kings of Alba. The entry in question is now read as "...Dyfnwal... and Domnall son Áed
king of Ailech The Kings of Ailech were the over-kings of the medieval Irish province of Ailech in north-western Ireland. It encompassed the territories of the Cenél nEógain and Cenél Conaill. After the battle of Cloítech in 789 its kings were exclusivel ...
died", this Domnall being a son of Áed Findliath who died on 915. Finally, the deaths of Flann Sinna and
Niall Glúndub Niall Glúndub mac Áeda (Modern Irish: ''Niall Glúndubh mac Aodha'', "Niall Black-Knee, son of Áed"; died 14 September 919) was a 10th-century Irish king of the Cenél nEógain and High King of Ireland. Many Irish kin groups were members of the ...
are recorded. There are more reports of Viking fleets in the
Irish Sea The Irish Sea or , gv, Y Keayn Yernagh, sco, Erse Sie, gd, Muir Èireann , Ulster-Scots: ''Airish Sea'', cy, Môr Iwerddon . is an extensive body of water that separates the islands of Ireland and Great Britain. It is linked to the C ...
from 914 onwards. By 916 fleets under
Sihtric Cáech Sihtric or Sitric is an anglo-Saxon personal name. It is cognate with the Old Norse Sigtrygg. People called Sihtric or Sitric, include: * Sitric Cáech (died 927), ruler of Dublin and then Viking Northumbria in the early 10th century * Sitric II ...
and Ragnall, said to be grandsons of Ímar (that is, they belonged to the same
Uí Ímair The Uí Ímair (; meaning ‘''scions of Ivar’''), also known as the Ivar Dynasty or Ivarids was a royal Norse-Gael dynasty which ruled much of the Irish Sea region, the Kingdom of Dublin, the western coast of Scotland, including the Hebrides ...
kindred as the Ímar who was killed in 904), were very active in Ireland. Sihtric inflicted a heavy defeat on the armies of
Leinster Leinster ( ; ga, Laighin or ) is one of the provinces of Ireland, situated in the southeast and east of Ireland. The province comprises the ancient Kingdoms of Meath, Leinster and Osraige. Following the 12th-century Norman invasion of Ir ...
and retook Dublin in 917. The following year Ragnall appears to have returned across the Irish sea intent on establishing himself as king at
York York is a cathedral city with Roman origins, sited at the confluence of the rivers Ouse and Foss in North Yorkshire, England. It is the historic county town of Yorkshire. The city has many historic buildings and other structures, such as a ...
. The only precisely dated event in the summer of 918 is the death of Queen Æthelflæd on 918 at
Tamworth, Staffordshire Tamworth (, ) is a market town and borough in Staffordshire, England, north-east of Birmingham. The town borders North Warwickshire to the east and north, Lichfield to the north, south-west and west. The town takes its name from the River Ta ...
. Æthelflæd had been negotiating with the Northumbrians to obtain their submission, but her death put an end to this and her successor, her brother
Edward the Elder Edward the Elder (17 July 924) was King of the Anglo-Saxons from 899 until his death in 924. He was the elder son of Alfred the Great and his wife Ealhswith. When Edward succeeded to the throne, he had to defeat a challenge from his cousin � ...
, was occupied with securing control of Mercia. The northern part of Northumbria, and perhaps the whole kingdom, had probably been ruled by Ealdred son of Eadulf since 913. Faced with Ragnall's invasion, Ealdred came north seeking assistance from Constantine. The two advanced south to face Ragnall, and this led to a battle somewhere on the banks of the
River Tyne The River Tyne is a river in North East England. Its length (excluding tributaries) is . It is formed by the North Tyne and the South Tyne, which converge at Warden Rock near Hexham in Northumberland at a place dubbed 'The Meeting of the Wate ...
, probably at Corbridge where
Dere Street Dere Street or Deere Street is a modern designation of a Roman road which ran north from Eboracum ( York), crossing the Stanegate at Corbridge (Hadrian's Wall was crossed at the Portgate, just to the north) and continuing beyond into what is now ...
crosses the river. The
Battle of Corbridge The Battle of Corbridge took place on the banks of the River Tyne near the village of Corbridge in Northumberland in the year 918. The battle was referenced in the ''Annals of Ulster'' and the ''Chronicle of the Kings of Alba''. The battle was ...
appears to have been indecisive; the ''Chronicle of the Kings of Alba'' is alone in giving Constantine the victory. The report of the battle in the ''Annals of Ulster'' says that none of the kings or
mormaer In early medieval Scotland, a mormaer was the Gaelic name for a regional or provincial ruler, theoretically second only to the King of Scots, and the senior of a '' Toísech'' (chieftain). Mormaers were equivalent to English earls or Continen ...
s among the men of Alba were killed. This is the first surviving use of the word mormaer; other than the knowledge that Constantine's kingdom had its own bishop or bishops and royal villas, this is the only hint to the institutions of the kingdom. After Corbridge, Ragnall enjoyed only a short respite. In the south, Alfred's son Edward had rapidly secured control of Mercia and had a
burh A burh () or burg was an Old English fortification or fortified settlement. In the 9th century, raids and invasions by Vikings prompted Alfred the Great to develop a network of burhs and roads to use against such attackers. Some were new constru ...
constructed at Bakewell in the
Peak District The Peak District is an upland area in England at the southern end of the Pennines. Mostly in Derbyshire, it extends into Cheshire, Greater Manchester, Staffordshire, West Yorkshire and South Yorkshire. It includes the Dark Peak, where moo ...
from which his armies could easily strike north. An army from Dublin led by Ragnall's kinsman Sihtric struck at north-western Mercia in 919, but in 920 or 921 Edward met with Ragnall and other kings. The ''Anglo-Saxon Chronicle'' states that these kings "chose Edward as father and lord". Among the other kings present were Constantine, Ealdred son of Eadwulf, and the king of Strathclyde, Owain ap Dyfnwal. Here, again, a new term appears in the record, the ''Anglo-Saxon Chronicle'' for the first time using the word ''scottas'', from which Scots derives, to describe the inhabitants of Constantine's kingdom in its report of these events. Edward died in 924. His realms appear to have been divided with the West Saxons recognising Ælfweard while the Mercians chose
Æthelstan Æthelstan or Athelstan (; ang, Æðelstān ; on, Aðalsteinn; ; – 27 October 939) was King of the Anglo-Saxons from 924 to 927 and King of the English from 927 to his death in 939. He was the son of King Edward the Elder and his firs ...
who had been raised at Æthelflæd's court. Ælfweard died within weeks of his father and Æthelstan was inaugurated as king of all of Edward's lands in 925.


Æthelstan

By 926 Sihtric had evidently acknowledged
Æthelstan Æthelstan or Athelstan (; ang, Æðelstān ; on, Aðalsteinn; ; – 27 October 939) was King of the Anglo-Saxons from 924 to 927 and King of the English from 927 to his death in 939. He was the son of King Edward the Elder and his firs ...
as overlord, adopting Christianity and marrying a sister of Æthelstan at Tamworth. Within the year he appears to have forsaken his new faith and repudiated his wife, but before Æthelstan could respond, Sihtric died suddenly in 927. His kinsman, perhaps brother,
Gofraid is an Irish masculine given name, arising in the Old Irish and Middle Irish/ Middle Gaelic languages, as , and later partially Anglicised as Goffraid. ' corresponds to the Old Norse ', cognate with Gottfried or ', and Galfrid or '. ''Gofraid'' ...
, who had remained as his deputy in
Dublin Dublin (; , or ) is the capital and largest city of Ireland. On a bay at the mouth of the River Liffey, it is in the province of Leinster, bordered on the south by the Dublin Mountains, a part of the Wicklow Mountains range. At the 2016 cen ...
, came from Ireland to take power in York, but failed. Æthelstan moved quickly, seizing much of Northumbria. In less than a decade, the kingdom of the English had become by far the greatest power in Britain and Ireland, perhaps stretching as far north as the
Firth of Forth The Firth of Forth () is the estuary, or firth, of several Scottish rivers including the River Forth. It meets the North Sea with Fife on the north coast and Lothian on the south. Name ''Firth'' is a cognate of ''fjord'', a Norse word meani ...
.
John of Worcester John of Worcester (died c. 1140) was an English monk and chronicler who worked at Worcester Priory. He is usually held to be the author of the ''Chronicon ex chronicis''. ''Chronicon ex chronicis'' The ''Chronicon ex chronicis'' is a world wid ...
's chronicle suggests that Æthelstan faced opposition from Constantine, Owain, and the Welsh kings.
William of Malmesbury William of Malmesbury ( la, Willelmus Malmesbiriensis; ) was the foremost English historian of the 12th century. He has been ranked among the most talented English historians since Bede. Modern historian C. Warren Hollister described him as "a ...
writes that Gofraid, together with Sihtric's young son
Olaf Cuaran Olaf or Olav (, , or British ; Old Norse: ''Áleifr'', ''Ólafr'', ''Óleifr'', ''Anleifr'') is a Scandinavian and German given name. It is presumably of Proto-Norse origin, reconstructed as ''*Anu-laibaz'', from ''anu'' "ancestor, grand-father" ...
fled north and received refuge from Constantine, which led to war with Æthelstan. A meeting at
Eamont Bridge Eamont Bridge is a small village immediately to the south of Penrith, Cumbria, England. The village is named after the bridge over the River Eamont and straddles the boundary between the historic counties of Cumberland and Westmorland. One ...
on 927 was sealed by an agreement that Constantine, Owain,
Hywel Dda Hywel Dda, sometimes anglicised as Howel the Good, or Hywel ap Cadell (died 949/950) was a king of Deheubarth who eventually came to rule most of Wales. He became the sole king of Seisyllwg in 920 and shortly thereafter established Deheubart ...
, and Ealdred would "renounce all idolatry": that is, they would not ally with the Viking kings. William states that Æthelstan stood godfather to a son of Constantine, probably
Indulf Ildulb mac Causantín, anglicised as Indulf or Indulph, nicknamed An Ionsaighthigh, "the Aggressor" (died 962) was king of Alba from 954 to 962. He was the son of Constantine II; his mother may have been a daughter of Earl Eadulf I of Bernicia, ...
(Ildulb mac Constantín), during the conference. Æthelstan followed up his advances in the north by securing the recognition of the Welsh kings. For the next seven years, the record of events in the north is blank. Æthelstan's court was attended by the Welsh kings, but not by Constantine or Owain. This absence of record means that Æthelstan's reasons for marching north against Constantine in 934 are unclear. Æthelstan's invasion is reported in brief by the ''Anglo-Saxon Chronicle'', and later chroniclers such as John of Worcester, William of Malmesbury,
Henry of Huntingdon Henry of Huntingdon ( la, Henricus Huntindoniensis; 1088 – AD 1157), the son of a canon in the diocese of Lincoln, was a 12th-century English historian and the author of ''Historia Anglorum'' (Medieval Latin for "History of the English"), ...
, and
Symeon of Durham __NOTOC__ Symeon (or Simeon) of Durham (died after 1129) was an English chronicler and a monk of Durham Priory. Biography Symeon entered the Benedictine monastery at Jarrow as a youth. It moved to Durham in 1074, and he was professed in 1085 or ...
add detail to that bald account. Æthelstan's army began gathering at
Winchester Winchester is a cathedral city in Hampshire, England. The city lies at the heart of the wider City of Winchester, a local government district, at the western end of the South Downs National Park, on the River Itchen. It is south-west of Lon ...
by 934, and travelled north to
Nottingham Nottingham ( , locally ) is a city and unitary authority area in Nottinghamshire, East Midlands, England. It is located north-west of London, south-east of Sheffield and north-east of Birmingham. Nottingham has links to the legend of R ...
by . He was accompanied by many leaders, including the Welsh kings Hywel Dda, Idwal Foel, and Morgan ab Owain. From Mercia the army continued to
Chester-le-Street Chester-le-Street (), also known as Chester, is a market town and civil parish in County Durham, England, around north of Durham and also close to Sunderland and Newcastle upon Tyne. It is located on the River Wear, which runs out to sea at Su ...
, before resuming the march accompanied by a fleet of ships. Owain was defeated and Symeon states that the army went as far north as Dunnottar and Fortriu, while the fleet is said to have raided Caithness, by which a much larger area, including
Sutherland Sutherland ( gd, Cataibh) is a historic county, registration county and lieutenancy area in the Highlands of Scotland. Its county town is Dornoch. Sutherland borders Caithness and Moray Firth to the east, Ross-shire and Cromartyshire (late ...
, is probably intended. It is unlikely that Constantine's personal authority extended so far north, so the attacks were probably directed at his allies, comprising simple looting expeditions. The ''
Annals of Clonmacnoise The ''Annals of Clonmacnoise'' ( ga, Annála Chluain Mhic Nóis) are an early 17th-century Early Modern English translation of a lost Irish chronicle, which covered events in Ireland from prehistory to 1408. The work is sometimes known as ''Mag ...
'' state that "the Scottish men compelled �thelstanto return without any great victory", while Henry of Huntingdon claims that the English faced no opposition. A negotiated settlement might have ended matters: according to John of Worcester, a son of Constantine was given as a hostage to Æthelstan and Constantine himself accompanied the English king on his return south. He witnessed a charter with Æthelstan at
Buckingham Buckingham ( ) is a market town in north Buckinghamshire, England, close to the borders of Northamptonshire and Oxfordshire, which had a population of 12,890 at the 2011 Census. The town lies approximately west of Central Milton Keynes, sou ...
on 934 in which he is described as ''subregulus'', ''i.e.'', a king acknowledging Æthelstan's overlordship, the only place there is any record of such a description. However, there is no record of Constantine having ever submitted to Æthelstan's overlordship or that he considered himself such. The following year, Constantine was again in England at Æthelstan's court, this time at Cirencester where he appears as a witness, as the first of several kings, followed by Owain and Hywel Dda, who subscribed to the diploma. At Christmas of 935, Owain was once more at Æthelstan's court along with the Welsh kings, but Constantine was not. His return to England less than two years later would be in very different circumstances.


Brunanburh and after

Following his departure from Æthelstan's court after 935, there is no further report of Constantine until 937. In that year, together with Owain and
Olaf Guthfrithson Olaf Guthfrithson or Anlaf Guthfrithson ( non, Óláfr Guðrøðsson ; oe, Ánláf; sga, Amlaíb mac Gofraid; died 941) was a Hiberno-Scandinavian (Irish-Viking) leader who ruled Dublin and Viking Northumbria in the 10th century. He was th ...
of Dublin, Constantine invaded England. The resulting
battle of Brunanburh The Battle of Brunanburh was fought in 937 between Æthelstan, King of England, and an alliance of Olaf Guthfrithson, King of Dublin, Constantine II, King of Scotland, and Owain, King of Strathclyde. The battle is often cited as the point ...
—''Dún Brunde''—is reported in the ''Annals of Ulster'' as follows:
a great battle, lamentable and terrible was cruelly fought... in which fell uncounted thousands of the Northmen.  ...And on the other side, a multitude of Saxons fell; but Æthelstan, the king of the Saxons, obtained a great victory.
The battle was remembered in England a generation later as "the Great Battle". When reporting the battle, the ''Anglo-Saxon Chronicle'' abandons its usual terse style in favour of a heroic poem vaunting the great victory. In this, the "hoary" Constantine, by now around 60 years of age, is said to have lost a son in the battle, a claim which the ''Chronicle of the Kings of Alba'' confirms. The ''Annals of Clonmacnoise'' give his name as Cellach. For all its fame, the site of the battle is uncertain and several sites have been advanced, with Bromborough on the Wirral the most favoured location. Brunanburh, for all that it had been a famous and bloody battle, settled nothing. On 939 Æthelstan, the "pillar of the dignity of the western world" in the words of the ''Annals of Ulster'', died at
Malmesbury Malmesbury () is a town and civil parish in north Wiltshire, England, which lies approximately west of Swindon, northeast of Bristol, and north of Chippenham. The older part of the town is on a hilltop which is almost surrounded by the u ...
. He was succeeded by his brother Edmund, then aged 18. Æthelstan's realm, seemingly made safe by the victory of Brunanburh, collapsed in little more than a year from his death when Amlaíb returned from Ireland and seized Northumbria and the Mercian Danelaw. Edmund spent the remainder of Constantín's reign rebuilding his kingdom. For Constantine's last years as king, there is only the meagre record of the ''Chronicle of the Kings of Alba''. The death of Æthelstan is reported, as are two others. The first of these, in 938, is that of Dubacan,
mormaer of Angus The Mormaer or Earl of Angus was the ruler of the medieval Scottish province of Angus. The title, in the Peerage of Scotland, is held by the Duke of Hamilton, and is used as a courtesy title for the eldest son of the Duke's eldest son. Histor ...
or son of the mormaer. Unlike the report of 918, on this occasion, the title mormaer is attached to a geographical area, but it is unknown whether the Angus of 938 was in any way similar to the later mormaerdom or earldom. The second death, entered with that of Æthelstan, is that of Eochaid mac Ailpín, who might, from his name, have been a kinsman of Constantín.


Abdication and posterity

By the early 940s Constantine was an old man in his late sixties or seventies. The kingdom of Alba was too new to be said to have a customary rule of succession, but Pictish and Irish precedents favoured an adult successor descended from Kenneth MacAlpin. Constantine's surviving son
Indulf Ildulb mac Causantín, anglicised as Indulf or Indulph, nicknamed An Ionsaighthigh, "the Aggressor" (died 962) was king of Alba from 954 to 962. He was the son of Constantine II; his mother may have been a daughter of Earl Eadulf I of Bernicia, ...
, probably baptised in 927, would have been too young to be a serious candidate for the kingship in the early 940s, and the obvious heir was Constantine's nephew,
Malcolm I Máel Coluim mac Domnaill (anglicised Malcolm I; died 954) was king of Alba (before 943 – 954), becoming king when his cousin Constantine II abdicated to become a monk. He was the son of Donald II. Biography Malcolm was born in 897 in A ...
. As Malcolm was born no later than 901, by the 940s he was no longer a young man, and may have been impatient. Willingly or not—the 11th-century ''
Prophecy of Berchán In religion, a prophecy is a message that has been communicated to a person (typically called a ''prophet'') by a supernatural entity. Prophecies are a feature of many cultures and belief systems and usually contain divine will or law, or pret ...
'', a verse history in the form of a supposed prophecy, states that it was not a voluntary decision—Constantine abdicated in 943 and entered a monastery, leaving the kingdom to Malcolm. Although his retirement might have been involuntary, the ''Life'' of
Cathróe of Metz Saint Cathróe (circa 900–971) was a monk and abbot. His life is recorded in a hagiography written soon after his death by a monk at the at Metz, where Cathróe was abbot. Miracles of healing were attributed to Cathróe during his life, a ...
and the ''Prophecy of Berchán'' portray Constantine as a devout king. The monastery to which Constantine retired, and where he is said to have been
abbot Abbot is an ecclesiastical title given to the male head of a monastery in various Western religious traditions, including Christianity. The office may also be given as an honorary title to a clergyman who is not the head of a monastery. The fe ...
, was probably that of
St Andrews St Andrews ( la, S. Andrea(s); sco, Saunt Aundraes; gd, Cill Rìmhinn) is a town on the east coast of Fife in Scotland, southeast of Dundee and northeast of Edinburgh. St Andrews had a recorded population of 16,800 , making it Fife's fourt ...
. This had been refounded in his reign and given to the reforming Céli Dé (Culdee) movement. The Céli Dé were subsequently to be entrusted with many monasteries throughout the kingdom of Alba until replaced in the 12th century by new orders imported from France. Seven years later the ''Chronicle of the Kings of Alba'' says:
alcolm Iplundered the English as far as the
river Tees The River Tees (), in Northern England, rises on the eastern slope of Cross Fell in the North Pennines and flows eastwards for to reach the North Sea between Hartlepool and Redcar near Middlesbrough. The modern day history of the river has bee ...
, and he seized a multitude of people and many herds of cattle: and the Scots called this the raid of Albidosorum, that is, Nainndisi. But others say that Constantine made this raid, asking of the king, Malcolm, that the kingship should be given to him for a week's time so that he could visit the English. In fact, it was Malcolm who made the raid, but Constantine incited him, as I have said.
Woolf suggests that the association of Constantine with the raid is a late addition, one derived from a now-lost saga or poem. Constantine's death in 952 is recorded by the Irish annals, who enter it among ecclesiastics. His son Indulf would become king on Malcolm's death. The last of Constantine's certain descendants to be king in Alba was a great-grandson, Constantine III (Constantín mac Cuiléin). Another son had died at Brunanburh, and, according to John of Worcester, Amlaíb mac Gofraid was married to a daughter of Constantine. It is possible that Constantine had other children, but like the name of his wife, or wives, this has not been recorded. The form of kingdom which appeared in Constantine's reign continued in much the same way until the
Davidian Revolution The Davidian Revolution is a name given by many scholars to the changes which took place in the Kingdom of Scotland during the reign of David I (1124–1153). These included his foundation of burghs, implementation of the ideals of Gregoria ...
in the 12th century. As with his ecclesiastical reforms, his political legacy was the creation of a new form of Scottish kingship that lasted for two centuries after his death.Broun, "Constantine II". The nature of that kingdom is, however, still a matter of debate, see Woolf, ''Pictland to Alba'', pp. 342–350; .


Family

The name of Constantine's wife is not known, however, they are known to have had at least 3 children: * Ildulb mac Causantín (Indulf or Indulph)(died 962), king of Alba 954–962. * Cellach, died in 937 in the
Battle of Brunanburh The Battle of Brunanburh was fought in 937 between Æthelstan, King of England, and an alliance of Olaf Guthfrithson, King of Dublin, Constantine II, King of Scotland, and Owain, King of Strathclyde. The battle is often cited as the point ...
. * A daughter, name not recorded, married Amlaíb mac Gofraid.


Notes


References

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External links

* {{DEFAULTSORT:Constantine 02 of Scotland House of Alpin 9th-century Scottish monarchs 9th-century births 952 deaths Year of birth unknown Culdees Scottish abbots 10th-century Scottish monarchs Monarchs who abdicated Burials in Iona