Diarmait mac Ruaidrí Ó Conchobair,

Prince A prince is a male ruler (ranked below a king, grand prince, and grand duke) or a male member of a monarch's or former monarch's family. ''Prince'' is also a title of nobility (often highest), often hereditary, in some European states. T ...

Connacht Connacht ( ; ga, Connachta or ), is one of the provinces of Ireland, in the west of Ireland. Until the ninth century it consisted of several independent major Gaelic kingdoms ( Uí Fiachrach, Uí Briúin, Uí Maine, Conmhaícne, and Del ...

, died 1221. Diarmait was one of the younger sons of King of Ireland,

Ruaidrí Ua Conchobair Ruaidrí mac Tairrdelbach Ua Conchobair ( Modern Irish: Ruairí Ó Conchúir; anglicized as Rory O'Conor) ( – 2 December 1198) was King of Connacht from 1156 to 1186, and High King of Ireland from 1166 to 1198. He was the last High King o ...

(died 1198). The

Annals of the Four Masters The ''Annals of the Kingdom of Ireland'' ( ga, Annála Ríoghachta Éireann) or the ''Annals of the Four Masters'' (''Annála na gCeithre Máistrí'') are chronicles of Middle Ages, medieval Irish history. The entries span from the Flood myt ...

, ''sub anno'' 1203, say of him: * ''Murtough the Teffian, son of Conor Moinmoy, who was the son of Roderic O'Conor, was slain by Dermot'', the son of Roderic, and Hugh, the son of Roderic, namely, by his own two paternal uncles, on the green of Kilmacduagh.'' The

Annals of Lough Ce Annals ( la, annāles, from , "year") are a concise historical record in which events are arranged chronologically, year by year, although the term is also used loosely for any historical record. Scope The nature of the distinction between ann ...

give an account of Diarmait's death: ''Diarmaid, son of Ruaidhri, son of Toirdhelbhach Mór O'Conchobhair, was slain by Thomas Mac Uchtraigh as he was coming from Insi-Gall, whilst collecting a fleet for the purpose of acquiring the sovereignty of Connacht; and this was a great pity, viz.:—the materies of a king of Erinn to fall so before his time.'' Insi Gall was either the

Hebrides The Hebrides (; gd, Innse Gall, ; non, Suðreyjar, "southern isles") are an archipelago off the west coast of the Scottish mainland. The islands fall into two main groups, based on their proximity to the mainland: the Inner and Outer Hebr ...

or the

Isle of Man ) , anthem = "O Land of Our Birth" , image = Isle of Man by Sentinel-2.jpg , image_map = Europe-Isle_of_Man.svg , mapsize = , map_alt = Location of the Isle of Man in Europe , map_caption = Location of the Isle of Man (green) in Europe ...

, both of which compromised the

Kingdom of the Isles The Kingdom of the Isles consisted of the Isle of Man, the Hebrides and the islands of the Firth of Clyde from the 9th to the 13th centuries AD. The islands were known to the Norse as the , or "Southern Isles" as distinct from the or North ...

, ruled in 1221 by

Rǫgnvaldr Guðrøðarson, King of the Isles Rǫgnvaldr is an Old Norse name. People * Rǫgnvaldr Guðrøðarson (died 1229), King of the Isles Derived or cognate names Given names include: *'' Raginald'', German *'' Reginold'', German *'' Ragenold'', German *'' Ragenald'', German *'' Reg ...

(1187–1226). Diarmait's recorded children were sons Diarmait ( fl. 1237), Donnchad (fl. 1237), Muirchertach (k. 1237) and Cormac.

External links

* http://www.ucc.ie/celt/published/T100010A/index.html Medieval Gaels from Ireland 13th-century Irish people People from County Galway People from County Roscommon 1221 deaths {{europe-royal-stub