Otto IV, Holy Roman Emperor
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Otto IV (1175 – 19 May 1218) was the
Holy Roman Emperor The Holy Roman Emperor, originally and officially the Emperor of the Romans (disambiguation), Emperor of the Romans (; ) during the Middle Ages, and also known as the Roman-German Emperor since the early modern period (; ), was the ruler and h ...
from 1209 until his death in 1218. Otto spent most of his early life in England and France. He was a follower of his uncle
Richard the Lionheart Richard is a male given name. It originates, via Old French, from compound of the words descending from Proto-Germanic language">Proto-Germanic ''*rīk-'' 'ruler, leader, king' and ''*hardu-'' 'strong, brave, hardy', and it therefore means 'st ...
, who made him
Count of Poitou Among the people who have borne the title of Count of Poitiers (, ; or ''Poitou'', in what is now France but in the Middle Ages became part of Aquitaine) are: *Bodilon * Warinus (638–677), son of Bodilon *Hatton (735-778) Carolingian Count ...
in 1196. With Richard's support, he was elected
King of Germany This is a list of monarchs who ruled over East Francia, and the Kingdom of Germany (), from Treaty of Verdun, the division of the Francia, Frankish Empire in 843 and Dissolution of the Holy Roman Empire, the collapse of the Holy Roman Empire in ...
by one faction in a disputed election in 1198, sparking ten years of civil war. The death of his rival,
Philip of Swabia Philip of Swabia (February/March 1177 – 21 June 1208), styled Philip II in his charters, was a member of the House of Hohenstaufen and King of Germany from 1198 until his assassination. The death of Philip's older brother Henry VI, Holy Roman E ...
, in 1208 left him sole king of Germany. In 1209, Otto marched to Italy to be crowned emperor by
Pope Innocent III Pope Innocent III (; born Lotario dei Conti di Segni; 22 February 1161 – 16 July 1216) was head of the Catholic Church and ruler of the Papal States from 8 January 1198 until his death on 16 July 1216. Pope Innocent was one of the most power ...
. In 1210, he sought to unite the
Kingdom of Sicily The Kingdom of Sicily (; ; ) was a state that existed in Sicily and the southern Italian peninsula, Italian Peninsula as well as, for a time, in Kingdom of Africa, Northern Africa, from its founding by Roger II of Sicily in 1130 until 1816. It was ...
with the Empire, breaking with Innocent, who
excommunicated Excommunication is an institutional act of religious censure used to deprive, suspend, or limit membership in a religious community or to restrict certain rights within it, in particular those of being in communion with other members of the con ...
him. He allied with England against France and participated in the alliance's defeat at Bouvines in 1214. He was abandoned by most of his supporters in 1215 and lived the rest of his life in retirement on his estates near Brunswick. He was the only German king of the
Welf dynasty The House of Welf (also Guelf or Guelph) is a European dynasty that has included many German and British monarchs from the 11th to 20th century and Emperor Ivan VI of Russia in the 18th century. The originally Franconian family from the Meuse-Mo ...
.


Career


Early life

Otto was the third son of
Henry the Lion Henry the Lion (; 1129/1131 – 6 August 1195), also known as Henry III, Duke of Saxony (ruled 1142-1180) and Henry XII, Duke of Bavaria (ruled 1156-1180), was a member of the Welf dynasty. Henry was one of the most powerful German princes of ...
,
Duke of Bavaria The following is a list of monarchs during the history of Bavaria. Bavaria was ruled by several dukes and kings, partitioned and reunited, under several dynasties. Since 1918, Bavaria has been under a republican form of government, and from 19 ...
and
Duke of Saxony This article lists dukes, electors, and kings ruling over different territories named Saxony from the beginning of the Saxon Duchy in the 6th century to the end of the German monarchies in 1918. The electors of Saxony from John the Steadfast ...
, by his wife
Matilda of England Empress Matilda (10 September 1167), also known as Empress Maud, was one of the claimants to the English throne during the civil war known as the Anarchy. The daughter and heir of Henry I, king of England and ruler of Normandy, she went to ...
.Bryce, p. 206 His exact birthplace is not given by any original source. He grew up in EnglandAbulafia, p. 378 in the care of his maternal grandfather, King
Henry II of England Henry II () was King of England The monarchy of the United Kingdom, commonly referred to as the British monarchy, is the form of government used by the United Kingdom by which a hereditary monarch reigns as the head of state, with the ...
. Otto was fluent in French as well as German. He became the foster son of his maternal uncle King
Richard I of England Richard I (8 September 1157 â€“ 6 April 1199), known as Richard the Lionheart or Richard CÅ“ur de Lion () because of his reputation as a great military leader and warrior, was King of England from 1189 until his death in 1199. He also ru ...
. In 1190, after he left England to join the
Third Crusade The Third Crusade (1189–1192) was an attempt led by King Philip II of France, King Richard I of England and Emperor Frederick Barbarossa to reconquer the Holy Land following the capture of Jerusalem by the Ayyubid sultan Saladin in 1187. F ...
, Richard appointed Otto as
Earl of York In Anglo-Saxon England, the Earl of York or Ealdorman of York was the ruler of the southern half of Northumbria. The titles ealdorman and earl both come from Old English. The ealdormanry (earldom) seems to have been created in 966 following a peri ...
. This grant's authenticity (or authority) was doubted by the vassals of Yorkshire, who prevented Otto from taking possession of his earldom. Still, he probably visited Yorkshire in 1191, and he continued to claim the revenues of the earldom after becoming king of Germany, although he never secured them. Neither did he succeed in getting the 25,000 silver marks willed to him by his uncle in 1199. In 1195, Richard began negotiations to marry Otto to
Margaret Margaret is a feminine given name, which means "pearl". It is of Latin origin, via Ancient Greek and ultimately from Iranian languages, Old Iranian. It has been an English language, English name since the 11th century, and remained popular thro ...
, daughter and heir presumptive of King
William the Lion William the Lion (), sometimes styled William I (; ) and also known by the nickname ; 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 Alba from 1165 to 1214. His almost 49 ...
of Scotland.
Lothian Lothian (; ; ) is a region of the Scottish Lowlands, lying between the southern shore of the Firth of Forth and the Lammermuir Hills and the Moorfoot Hills. The principal settlement is the Scottish capital, Edinburgh, while other signific ...
, as Margaret's dowry, would be handed over to Richard for safekeeping and the counties of
Northumberland Northumberland ( ) is a ceremonial counties of England, ceremonial county in North East England, on the Anglo-Scottish border, border with Scotland. It is bordered by the North Sea to the east, Tyne and Wear and County Durham to the south, Cumb ...
and
Cumberland Cumberland ( ) is an area of North West England which was historically a county. The county was bordered by Northumberland to the north-east, County Durham to the east, Westmorland to the south-east, Lancashire to the south, and the Scottish ...
(Carlisle) would be granted to Otto and turned over to the king of Scotland. The negotiations dragged on until August 1198, when the birth of a son and heir to William rendered them unnecessary. Having failed to secure Otto an English earldom or a Scottish kingdom in September 1196, Richard, as duke of Aquitaine,
enfeoffed In the Middle Ages, especially under the European feudal system, feoffment or enfeoffment was the deed by which a person was given land in exchange for a pledge of service. This mechanism was later used to avoid restrictions on the passage of t ...
Otto with the
county of Poitou The County of Poitou (Latin ''comitatus Pictavensis'') was a historical region of France, consisting of the three sub-regions of Vendée, Deux-Sèvres and Vienne. Its name is derived from the ancient Gaul tribe of Pictones. The county was bounded ...
. There is some disagreement over whether Otto received Poitou in exchange for or in addition to the earldom of York. Otto was in Poitou from September 1196 until mid-1197, when he joined Richard in Normandy to confer over the appointment of bishops to the vacant sees of
Poitiers Poitiers is a city on the river Clain in west-central France. It is a commune in France, commune, the capital of the Vienne (department), Vienne department and the historical center of Poitou, Poitou Province. In 2021, it had a population of 9 ...
,
Limoges Limoges ( , , ; , locally ) is a city and Communes of France, commune, and the prefecture of the Haute-Vienne Departments of France, department in west-central France. It was the administrative capital of the former Limousin region. Situated o ...
and
Périgueux Périgueux (, ; or ) is a commune in the Dordogne department, in the administrative region of Nouvelle-Aquitaine, southwestern France. Périgueux is the prefecture of Dordogne, and the capital city of Périgord. It is also the seat of ...
. He then participated in the war against
Philip II of France Philip II (21 August 1165 – 14 July 1223), also known as Philip Augustus (), was King of France from 1180 to 1223. His predecessors had been known as kings of the Franks (Latin: ''rex Francorum''), but from 1190 onward, Philip became the firs ...
on the side of Richard. In October, he returned to Poitou. The German historian Jens Ahlers, considering Otto's life before 1198, believes that he might have been the first foreign king of Germany.


Conflict with Philip of Swabia

After the death of
Emperor Henry VI Henry VI (German: ''Heinrich VI.''; November 1165 – 28 September 1197), a member of the Hohenstaufen dynasty, was King of Germany (King of the Romans) from 1169 and Holy Roman Emperor from 1191 until his death. From 1194 he was also King of Sic ...
, the majority of the princes of the Empire, situated in the south, elected Henry's brother
Philip Philip, also Phillip, is a male name derived from the Macedonian Old Koine language, Greek (''Philippos'', lit. "horse-loving" or "fond of horses"), from a compound of (''philos'', "dear", "loved", "loving") and (''hippos'', "horse"). Prominen ...
king in March 1198, after receiving money and promises from Philip in exchange for their support.Comyn, p. 275 But those princes opposed to the
Hohenstaufen The Hohenstaufen dynasty (, , ), also known as the Staufer, was a noble family of unclear origin that rose to rule the Duchy of Swabia from 1079, and to royal rule in the Holy Roman Empire during the Middle Ages from 1138 until 1254. The dynast ...
dynasty decided, on the initiative of Richard of England, to elect instead a member of the House of Welf. Otto's elder brother,
Henry Henry may refer to: People and fictional characters * Henry (given name), including lists of people and fictional characters * Henry (surname) * Henry, a stage name of François-Louis Henry (1786–1855), French baritone Arts and entertainmen ...
, was participating in the
Crusade of 1197 The Crusade of 1197, also known as the Crusade of Henry VI () or the German Crusade (''Deutscher Kreuzzug''), was a Crusades, crusade launched by the House of Hohenstaufen, Hohenstaufen emperor Henry VI, Holy Roman Emperor, Henry VI in response ...
at the time, and so the choice fell to Otto. Otto, soon recognized throughout the northwest and the lower Rhine region, was elected king by his partisans in
Cologne Cologne ( ; ; ) is the largest city of the States of Germany, German state of North Rhine-Westphalia and the List of cities in Germany by population, fourth-most populous city of Germany with nearly 1.1 million inhabitants in the city pr ...
on 9 June 1198. Otto took control of
Aachen Aachen is the List of cities in North Rhine-Westphalia by population, 13th-largest city in North Rhine-Westphalia and the List of cities in Germany by population, 27th-largest city of Germany, with around 261,000 inhabitants. Aachen is locat ...
, the place of coronation, and was crowned by Archbishop
Adolf Adolf (also spelt Adolph or Adolphe, Adolfo, and when Latinised Adolphus) is a given name with German origins. The name is a compound derived from the Old High German ''Athalwolf'' (or ''Hadulf''), a composition of ''athal'', or ''adal'', mean ...
of Cologne on 12 July 1198. This was of great symbolic importance, since the
archbishop of Cologne The Archbishop of Cologne governs the Roman Catholic Archdiocese of Cologne in western North Rhine-Westphalia. Historically, the archbishop was ''ex officio'' one of the prince-electors of the Holy Roman Empire and ruled the Electorate of Cologne ...
alone could crown the
king of the Romans King of the Romans (; ) was the title used by the king of East Francia following his election by the princes from the reign of Henry II (1002–1024) onward. The title originally referred to any German king between his election and coronatio ...
. The coronation was done with fake
imperial regalia The Imperial Regalia, also called Imperial Insignia (in German ''Reichskleinodien'', ''Reichsinsignien'' or ''Reichsschatz''), are regalia of the Holy Roman Emperor. The most important parts are the Imperial Crown of the Holy Roman Empire, C ...
, because the actual materials were in the hands of the Hohenstaufen. Otto's election pulled the empire into the conflict between
England England is a Countries of the United Kingdom, country that is part of the United Kingdom. It is located on the island of Great Britain, of which it covers about 62%, and List of islands of England, more than 100 smaller adjacent islands. It ...
and
France France, officially the French Republic, is a country located primarily in Western Europe. Overseas France, Its overseas regions and territories include French Guiana in South America, Saint Pierre and Miquelon in the Atlantic Ocean#North Atlan ...
. Philip had allied himself with the French king, Philip II, while Otto was supported at first by Richard I, and after he died in 1199 by his brother
John John is a common English name and surname: * John (given name) * John (surname) John may also refer to: New Testament Works * Gospel of John, a title often shortened to John * First Epistle of John, often shortened to 1 John * Second E ...
.Comyn, p. 278 The papacy meanwhile, under
Innocent III Pope Innocent III (; born Lotario dei Conti di Segni; 22 February 1161 – 16 July 1216) was head of the Catholic Church and ruler of the Papal States from 8 January 1198 until his death on 16 July 1216. Pope Innocent was one of the most power ...
, determined to prevent the continued unification of
Sicily Sicily (Italian language, Italian and ), officially the Sicilian Region (), is an island in the central Mediterranean Sea, south of the Italian Peninsula in continental Europe and is one of the 20 regions of Italy, regions of Italy. With 4. ...
and the
Holy Roman Empire The Holy Roman Empire, also known as the Holy Roman Empire of the German Nation after 1512, was a polity in Central and Western Europe, usually headed by the Holy Roman Emperor. It developed in the Early Middle Ages, and lasted for a millennium ...
under one monarch seized the opportunity to extend its influence. Therefore, Innocent III favoured Otto, whose family had always opposed the house of Hohenstaufen. Otto also seemed willing to grant any demands that Innocent would make. The confusion in the empire allowed Innocent to drive out the imperial feudal lords from
Ancona Ancona (, also ; ) is a city and a seaport in the Marche region of central Italy, with a population of around 101,997 . Ancona is the capital of the province of Ancona, homonymous province and of the region. The city is located northeast of Ro ...
,
Spoleto Spoleto (, also , , ; ) is an ancient city in the Italian province of Perugia in east-central Umbria on a foothill of the Apennines. It is south of Trevi, north of Terni, southeast of Perugia; southeast of Florence; and north of Rome. H ...
, and
Perugia Perugia ( , ; ; ) is the capital city of Umbria in central Italy, crossed by the River Tiber. The city is located about north of Rome and southeast of Florence. It covers a high hilltop and part of the valleys around the area. It has 162,467 ...
, who had been installed by Emperor Henry VI.Comyn, p. 277 At the same time, Innocent encouraged the cities in
Tuscany Tuscany ( ; ) is a Regions of Italy, region in central Italy with an area of about and a population of 3,660,834 inhabitants as of 2025. The capital city is Florence. Tuscany is known for its landscapes, history, artistic legacy, and its in ...
to form a league, called the League of San Genesio, against imperial interests in Italy. The cities placed themselves under Innocent's protection. In 1201, Innocent announced that he recognized Otto as the only legitimate king. In return, Otto promised to support the pope's interests in Italy. Otto also had the support of
Ottokar I of Bohemia Ottokar I (; 1155 – 1230) was Duke of Bohemia periodically beginning in 1192, then acquired the title of King of Bohemia, first in 1198 from Philip of Swabia, later in 1203 from Otto IV of Brunswick and in 1212 (as hereditary) from ...
, who, although at first siding with Philip of Swabia, eventually threw in his lot with Otto.Dunham, p. 195 Otto's cause was further strengthened by the support of
Valdemar II of Denmark Valdemar II Valdemarsen (28 June 1170 – 28 March 1241), later remembered as Valdemar the Victorious () and Valdemar the Conqueror, was King of Denmark from 1202 until his death in 1241. In 1207, Valdemar invaded and conquered Bishopric of Là ...
. Philip achieved a great deal of success in the civil war that followed, allowing him in 1204 to be again crowned king, this time by the archbishop of
Cologne Cologne ( ; ; ) is the largest city of the States of Germany, German state of North Rhine-Westphalia and the List of cities in Germany by population, fourth-most populous city of Germany with nearly 1.1 million inhabitants in the city pr ...
. In the following years, Otto's situation worsened because, after England's defeat by France, he lost England's financial support. Many of his allies changed sides to Philip, including his brother Henry. Otto was defeated and wounded in battle by Philip on 27 July 1206, near
Wassenberg Wassenberg (; ) is a town in the district Heinsberg, in North Rhine-Westphalia, Germany. It is situated near the border with the Netherlands, on the river Rur, approx. 6 km north-east of Heinsberg and 15 km south-east of Roermond Ro ...
, and as a consequence, he also lost the support of the pope, who began to favour the apparent winner in the conflict. Otto was forced to retire to his possessions near Brunswick, leaving Philip virtually uncontested as German king. Innocent III forced the two warring parties into negotiations at
Cologne Cologne ( ; ; ) is the largest city of the States of Germany, German state of North Rhine-Westphalia and the List of cities in Germany by population, fourth-most populous city of Germany with nearly 1.1 million inhabitants in the city pr ...
, and in exchange for renouncing his claim to the throne, Philip promised Otto the hand of his daughter Beatrix in marriage, together with the
Duchy of Swabia The Duchy of Swabia (; ) was one of the five stem duchy, stem duchies of the medieval Kingdom of Germany, German Kingdom. It arose in the 10th century in the southwestern area that had been settled by Alemanni tribes in Late Antiquity. While th ...
and an enormous dowry. Otto refused, and as the civil war was again about to recommence, Philip was murdered on 21 June 1208. After Philip's death, Otto made amends with the Staufen party and became engaged to Philip's daughter Beatrix.Comyn, p. 279 In the 1208 imperial election in
Frankfurt Frankfurt am Main () is the most populous city in the States of Germany, German state of Hesse. Its 773,068 inhabitants as of 2022 make it the List of cities in Germany by population, fifth-most populous city in Germany. Located in the forela ...
on 11 November 1208, he gained the support of all the electoral princes, as he promised he would not make hereditary claims to the imperial crown on behalf of any children he might father. Now fully reconciled with Innocent, Otto made preparations to be crowned
Holy Roman Emperor The Holy Roman Emperor, originally and officially the Emperor of the Romans (disambiguation), Emperor of the Romans (; ) during the Middle Ages, and also known as the Roman-German Emperor since the early modern period (; ), was the ruler and h ...
. To secure Innocent's support, he promised to restore to the Papal States all territory that it had possessed under
Louis the Pious Louis the Pious (; ; ; 16 April 778 – 20 June 840), also called the Fair and the Debonaire, was King of the Franks and Holy Roman Emperor, co-emperor with his father, Charlemagne, from 813. He was also King of Aquitaine from 781. As the only ...
, including the
March of Ancona The March of Ancona ( or ''Anconetana'') was a frontier march centred on the city of Ancona and later Fermo then Macerata in the Middle Ages. Its name is preserved as an Italian region today, the Marche, and it corresponds to almost the entir ...
, the
Duchy of Spoleto The Duchy of Spoleto () was a Lombards, Lombard territory founded about 570 in central Italy by the Lombard ''dux'' Faroald I of Spoleto, Faroald. Its capital was the city of Spoleto. Lombards The Lombards invaded northern Italy in 568 and b ...
, the former
Exarchate of Ravenna The Exarchate of Ravenna (; ), also known as the Exarchate of Italy, was an administrative district of the Byzantine Empire comprising, between the 6th and 8th centuries, the territories under the jurisdiction of the exarch of Italy (''exarchus ...
, and the
Pentapolis A pentapolis (from Ancient Greek, Greek ''penta-'', 'five' and ''polis'', 'city') is a geographic and/or institutional grouping of five cities. Cities in the ancient world probably formed such groups for political, commercial and military rea ...
. Travelling down via
Verona Verona ( ; ; or ) is a city on the Adige, River Adige in Veneto, Italy, with 255,131 inhabitants. It is one of the seven provincial capitals of the region, and is the largest city Comune, municipality in the region and in Northeast Italy, nor ...
,
Modena Modena (, ; ; ; ; ) is a city and ''comune'' (municipality) on the south side of the Po Valley, in the Province of Modena, in the Emilia-Romagna region of northern Italy. It has 184,739 inhabitants as of 2025. A town, and seat of an archbis ...
, and
Bologna Bologna ( , , ; ; ) is the capital and largest city of the Emilia-Romagna region in northern Italy. It is the List of cities in Italy, seventh most populous city in Italy, with about 400,000 inhabitants and 150 different nationalities. Its M ...
, he eventually arrived at
Milan Milan ( , , ; ) is a city in northern Italy, regional capital of Lombardy, the largest city in Italy by urban area and the List of cities in Italy, second-most-populous city proper in Italy after Rome. The city proper has a population of nea ...
, where he received the
Iron Crown of Lombardy The Iron Crown (in Italian, Latin, and Lombard: ''Corona Ferrea''; ) is a reliquary votive crown, traditionally considered one of the oldest royal insignia of Christendom. It was made in the Middle Ages, consisting of a circlet of gold and j ...
and the title of
King of Italy King is a royal title given to a male monarch. A king is an absolute monarch if he holds unrestricted governmental power or exercises full sovereignty over a nation. Conversely, he is a constitutional monarch if his power is restrained by ...
in 1208. He was met at
Viterbo Viterbo (; Central Italian, Viterbese: ; ) is a city and ''comune'' (municipality) in the Lazio region of Italy, the Capital city, capital of the province of Viterbo. It conquered and absorbed the neighboring town of Ferento (see Ferentium) in ...
by Pope Innocent and was taken to
St. Peter's Basilica The Papal Basilica of Saint Peter in the Vatican (), or simply St. Peter's Basilica (; ), is a church of the Italian High Renaissance located in Vatican City, an independent microstate enclaved within the city of Rome, Italy. It was initiall ...
, where he was crowned emperor by Pope Innocent on 4 October 1209, before rioting broke out in Rome, forcing Otto to abandon the city.


Conflict with Innocent III

Not content with his successes so far, Innocent also obtained from Otto further written concessions to the Papal See, including allowing all elections of German bishops to be conducted according to Church ordinances and not to prevent any appeals to Rome. He also promised to hand over to the church all income from any vacant sees that had been flowing into the imperial treasury. After abandoning Rome, Otto marched north, reaching
Pisa Pisa ( ; ) is a city and ''comune'' (municipality) in Tuscany, Central Italy, straddling the Arno just before it empties into the Ligurian Sea. It is the capital city of the Province of Pisa. Although Pisa is known worldwide for the Leaning Tow ...
by 20 November. Here, probably advised by Peter of Celano and
Dipold, Count of Acerra Dipold (), known in German language, German as Diepold (or Dietpold) von Schweinspünt, was a German ''ministerialis'' who was raised to the Duchy of Spoleto in 1209. Of Bavarian origin, he was a reputed younger son of Berthold II of Vohburg and A ...
, he was convinced to abandon his earlier promises. Otto immediately worked to restore imperial power in Italy. After his consecration by the pope, he promised to restore the lands bequeathed to the church by the countess
Matilda of Tuscany Matilda of Tuscany (; or ; – 24 July 1115), or Matilda of Canossa ( ), also referred to as ("the Great Countess"), was a member of the House of Canossa (also known as the Attonids) in the second half of the eleventh century. Matilda was on ...
nearly a century before and not to move against
Frederick Frederick may refer to: People * Frederick (given name), the name Given name Nobility = Anhalt-Harzgerode = * Frederick, Prince of Anhalt-Harzgerode (1613–1670) = Austria = * Frederick I, Duke of Austria (Babenberg), Duke of Austria fro ...
,
King of Sicily The monarchs of Sicily ruled from the establishment of the Kingdom of Sicily in 1130 until the "perfect fusion" in the Kingdom of the Two Sicilies in 1816. The origins of the Sicilian monarchy lie in the Norman conquest of southern Italy which oc ...
.Dunham, p. 196 He quickly broke all his promises. He threw out the papal troops from Ancona and Spoleto, reclaiming the territory as imperial fiefs. He then demanded that Frederick of Sicily do homage for the duchies of
Calabria Calabria is a Regions of Italy, region in Southern Italy. It is a peninsula bordered by the region Basilicata to the north, the Ionian Sea to the east, the Strait of Messina to the southwest, which separates it from Sicily, and the Tyrrhenian S ...
and
Apulia Apulia ( ), also known by its Italian language, Italian name Puglia (), is a Regions of Italy, region of Italy, located in the Southern Italy, southern peninsular section of the country, bordering the Adriatic Sea to the east, the Strait of Ot ...
, and when Frederick refused to appear, Otto declared those fiefs forfeited. Otto then marched on Rome. He commanded Innocent to annul the
Concordat of Worms The Concordat of Worms (; ), also referred to as the ''Pactum Callixtinum'' or ''Pactum Calixtinum'', was an agreement between the Catholic Church and the Holy Roman Empire which regulated the procedure for the appointment of bishops and abbots i ...
and to recognise the imperial crown's right to make nominations to all vacant benefices. Such actions infuriated Innocent, who promptly excommunicated Otto on 18 November 1210.Abulafia, p. 127 Subsequently, he tried to conquer
Sicily Sicily (Italian language, Italian and ), officially the Sicilian Region (), is an island in the central Mediterranean Sea, south of the Italian Peninsula in continental Europe and is one of the 20 regions of Italy, regions of Italy. With 4. ...
,Abulafia, p. 131 which was held by the Staufen king
Frederick Frederick may refer to: People * Frederick (given name), the name Given name Nobility = Anhalt-Harzgerode = * Frederick, Prince of Anhalt-Harzgerode (1613–1670) = Austria = * Frederick I, Duke of Austria (Babenberg), Duke of Austria fro ...
, under the guardianship of Innocent III. Parallel to this, the German nobility grew increasingly frustrated with Otto. They felt that instead of wasting his time in Italy and playing power politics with the pope, it was his first duty to defend the northern provinces of the empire against
Valdemar II of Denmark Valdemar II Valdemarsen (28 June 1170 – 28 March 1241), later remembered as Valdemar the Victorious () and Valdemar the Conqueror, was King of Denmark from 1202 until his death in 1241. In 1207, Valdemar invaded and conquered Bishopric of Là ...
, who had taken advantage of Otto's distractions by invading the northern provinces of the empire and possessing the whole
Baltic Baltic may refer to: Peoples and languages *Baltic languages, a subfamily of Indo-European languages, including Lithuanian, Latvian and extinct Old Prussian *Balts (or Baltic peoples), ethnic groups speaking the Baltic languages and/or originatin ...
coast from
Holstein Holstein (; ; ; ; ) is the region between the rivers Elbe and Eider (river), Eider. It is the southern half of Schleswig-Holstein, the northernmost States of Germany, state of Germany. Holstein once existed as the German County of Holstein (; 8 ...
to
Livonia Livonia, known in earlier records as Livland, is a historical region on the eastern shores of the Baltic Sea. It is named after the Livonians, who lived on the shores of present-day Latvia. By the end of the 13th century, the name was extende ...
. So while Otto was in southern Italy, several princes of the empire, including the archbishops of
Mainz Mainz (; #Names and etymology, see below) is the capital and largest city of the German state of Rhineland-Palatinate, and with around 223,000 inhabitants, it is List of cities in Germany by population, Germany's 35th-largest city. It lies in ...
and
Magdeburg Magdeburg (; ) is the Capital city, capital of the Germany, German States of Germany, state Saxony-Anhalt. The city is on the Elbe river. Otto I, Holy Roman Emperor, Otto I, the first Holy Roman Emperor and founder of the Archbishopric of Mag ...
,Abulafia, pg. 381 at the instigation of King
Philip II of France Philip II (21 August 1165 – 14 July 1223), also known as Philip Augustus (), was King of France from 1180 to 1223. His predecessors had been known as kings of the Franks (Latin: ''rex Francorum''), but from 1190 onward, Philip became the firs ...
and with the consent of the pope, elected Frederick King of the Romans at the
Diet of Nuremberg The Diets of Nuremberg, also called the Imperial Diets of Nuremberg, took place at different times between the Middle Ages and the 17th century.{{cite book, author=Johann Heinrich Kurtz, title=History of the Christian Church, url=https://books.go ...
in 1211. Otto's ambassadors from
Milan Milan ( , , ; ) is a city in northern Italy, regional capital of Lombardy, the largest city in Italy by urban area and the List of cities in Italy, second-most-populous city proper in Italy after Rome. The city proper has a population of nea ...
appeared before the
Fourth Lateran Council The Fourth Council of the Lateran or Lateran IV was convoked by Pope Innocent III in April 1213 and opened at the Lateran Palace in Rome on 11 November 1215. Due to the great length of time between the council's convocation and its meeting, m ...
, pleading the case for his
excommunication Excommunication is an institutional act of religious censure used to deprive, suspend, or limit membership in a religious community or to restrict certain rights within it, in particular those of being in Koinonia, communion with other members o ...
to be lifted. Although he claimed he had repented for his offences and declared his willingness to be obedient to the
Pope The pope is the bishop of Rome and the Head of the Church#Catholic Church, visible head of the worldwide Catholic Church. He is also known as the supreme pontiff, Roman pontiff, or sovereign pontiff. From the 8th century until 1870, the po ...
in all things, Innocent III had already recognised Frederick as emperor-elect. Otto returned to Germany to deal with the situation, hopeful of salvaging something from the looming disaster. He found most of the German princes and bishops had turned against him and that Frederick, who had made his way up the Italian peninsula, had avoided Otto's men who were guarding the passes through the
Alps The Alps () are some of the highest and most extensive mountain ranges in Europe, stretching approximately across eight Alpine countries (from west to east): Monaco, France, Switzerland, Italy, Liechtenstein, Germany, Austria and Slovenia. ...
and had arrived at
Constance Constance may refer to: Places * Constance, Kentucky, United States, an unincorporated community * Constance, Minnesota, United States, an unincorporated community * Mount Constance, Washington State, United States * Lake Constance (disambiguat ...
. Otto soon discovered that after Beatrix died in the summer of 1212 and Frederick arrived in Germany with his army in September 1212, most of his former Staufen supporters deserted him for Frederick, forcing Otto to withdraw to Cologne. On 5 December 1212, Frederick was elected king for a second time by a majority of the princes.Abulafia, p. 382 The support that Philip II of France gave to Frederick forced King John of England to throw his weight behind his nephew, Otto. The destruction of the French fleet in 1213 by the English saw John begin preparations for an invasion of France; in this, Otto saw a way of both destroying Frederick's French support and bolstering his prestige. He agreed to join John in the invasion, and in February 1214, as John advanced from the
Loire The Loire ( , , ; ; ; ; ) is the longest river in France and the 171st longest in the world. With a length of , it drains , more than a fifth of France's land, while its average discharge is only half that of the Rhône. It rises in the so ...
, Otto, together with the Count of Flanders, was supposed to make a simultaneous attack from Flanders. Unfortunately, the three armies could not coordinate their efforts effectively. It was not until John, who had been disappointed in his hope for an easy victory after being driven from Roche-au-Moine, had retreated to his transports that the Imperial Army, with Otto at its head, assembled in the
Low Countries The Low Countries (; ), historically also known as the Netherlands (), is a coastal lowland region in Northwestern Europe forming the lower Drainage basin, basin of the Rhine–Meuse–Scheldt delta and consisting today of the three modern "Bene ...
. On 27 July 1214, the opposing armies suddenly discovered they were close to each other, on the banks of the little river Marque (a tributary of the river Deûle), near the Bridge of Bouvines. Philip's army numbered some 15,000, while the allied forces possessed around 25,000 troops; the armies clashed at the
Battle of Bouvines The Battle of Bouvines took place on 27 July 1214 near the town of Bouvines in the County of Flanders. It was the concluding battle of the Anglo-French War (1213–14), Anglo-French War of 1213–1214. Although estimates on the number of troo ...
. It was a tight battle, but it was lost when Otto was carried off the field by his wounded and terrified horse, causing his forces to abandon the field. It is said that Philip II had sent to Frederick the
Imperial Eagle The eagle is used in heraldry as a charge, as a supporter, and as a crest. Heraldic eagles can be found throughout world history like in the Achaemenid Empire or in the present Republic of Indonesia. The European post-classical symbolism of ...
, which Otto had left lying on the battlefield. Because Otto was forced again to withdraw to his private possessions around Brunswick, this defeat allowed Frederick to take Aachen and Cologne, and so Otto was deposed in 1215. His cause of death is disputed, with some claims that he died of disease at
Harzburg The Harzburg, also called Große Harzburg ("Great Harz Castle"), is a former imperial castle, situated on the northwestern edge of the Harz mountain range overlooking the spa resort of Bad Harzburg in Goslar District in the state of Lower Saxo ...
castle on 19 May 1218, requesting that he be mortally expiated in the atonement of his sins. However, Historian Kantorowicz described the death as ''gruesome'': "deposed, dethroned, he was flung full length on the ground by the Abbot, confessing his sins, while the reluctant priests beat him bloodily to death with rods. Such was the end of the first and last Welf Emperor." He is entombed in
Brunswick Cathedral Brunswick Cathedral (, lit. in ) is a large Lutheran church in the City of Braunschweig (Brunswick), Germany. The church is termed '' Dom'', in German a synecdoche - pars pro toto - used for cathedrals and collegiate churches alike, and much li ...
, where his parents are buried.


Family

Otto was related to every other King of Germany. He married twice: # 1209 or 1212 to Beatrice of Swabia, daughter of the German King
Philip of Swabia Philip of Swabia (February/March 1177 – 21 June 1208), styled Philip II in his charters, was a member of the House of Hohenstaufen and King of Germany from 1198 until his assassination. The death of Philip's older brother Henry VI, Holy Roman E ...
and
Irene Angelina Irene Angelina (; – 27 August 1208) was a Byzantine princess and member of the Angelos dynasty and by her two marriages Queen of Sicily in 1193 and Queen of Germany from 1198 to 1208. Life Irene was born in Constantinople (modern-day Ista ...
. # 19 May 1214, in
Aachen Aachen is the List of cities in North Rhine-Westphalia by population, 13th-largest city in North Rhine-Westphalia and the List of cities in Germany by population, 27th-largest city of Germany, with around 261,000 inhabitants. Aachen is locat ...
to Maria of Brabant, daughter of
Henry I, Duke of Brabant Henry I (, ; c. 1165 â€“ 5 September 1235), named "The Courageous", was a member of the House of Reginar and first duke of Brabant from 1183/84 until his death. Early life Henry was possibly born in Leuven (Louvain), the son of Count Godf ...
, and
Matilda of Boulogne Matilda I of Boulogne ( – 3 May 1152) was Countess of Boulogne in her own right from 1125 and Queen of England from the accession of her husband, King Stephen, in 1135 until her death in 1152. She supported Stephen in his struggle for th ...
. Neither marriage produced any children.


Notes


References

* Abulafia, David, ''The New Cambridge Medieval History, Vol. V: c. 1198 – c. 1300'', Cambridge University Press, 1999 * Bryce, James, ''The Holy Roman Empire'', 1913 * Comyn, Robert. ''History of the Western Empire, from its Restoration by Charlemagne to the Accession of Charles V, Vol. I''. 1851 * Dunham, S. A., ''A History of the Germanic Empire, Vol. I'', 1835 * * * *


Further reading

*


External links

* *
Literature about Otto IV
in the OPAC of the ''Regesta Imperii''

* Deed by Otto IV for Salem Abbey, 14 July 1209,
Testament of Emperor Otto IV dated 1218
at kulturerbe.niedersachsen.de * , - {{DEFAULTSORT:Otto 04, Holy Roman Emperor 1175 births 1218 deaths 13th-century Holy Roman Emperors 12th-century Kings of the Romans People excommunicated by the Catholic Church House of Welf Deaths by beating in Europe Burials at Brunswick Cathedral