of Thomond to produce a son who would become the High King of Ireland (Irish: Ard-Rí na hÉireann): Brian Bóruma mac Cennétig, known in English as Brian Boru (c. 941–23 April 1014). Brian broke the near monopoly of the Uí Néill over the High Kingship of Ireland and fought to unite Ireland as a people under one, native king. His father, Cennétig mac Lorcáin of Thomond, was one of the principal leaders of the resistance to the Danish Viking incursions. Cennétig had several wives and children but positively assigned Bé Binn as the mother of Brian Bóruma. Bé Binn's sister Creassa inion Urchadh was a wife of King Tadg mac Cathail of Connacht, while her sister, Caineach inion Urchadh, married the ancestor of the Clann Coscraig sept of the Uí Briúin Seóla. Her brother, Donnchadh mac Urchadh succeeded their father as King of Maigh Seóla (943–959). Like the Uí Briúin Seóla, the Uí Briúin Ai were a major branch of the Uí Briúin dynasty, from whom the high medieval Ua Conchobair (O'Connor) kings of Connacht, including the last high king of Ireland, Ruaidrí Ua Conchobair, were descended. The Ó Flaithbertaigh family line and kingship can be traced back to Brión mac Echach Muigmedóin, King of Connacht, who was the half-brother of Niall of the Nine Hostages. Their father, Eochaid Muigh Meadhoin mac Muiredach, was, according to legend, also 122nd High King of Ireland and was a direct descendant of Galamh Milesius (c. 1763 BCE – c. 1699 BCE). Galamh Milesius's bloodline produced kings in succession for over 3,000 years. Kingship was passed on to direct descendants only starting with Érimón mac Míl Espáine, 2nd High King of Ireland son of Galamh Milisius. The first Ó Flaithbertaighs In Connacht the first to bear the name was Muireadhach ua Flaithbheartach, king of Maigh Seóla, who died in 1034. He is listed as having three sons – Ruaidhrí of Lough Cimbe, Donagh Aluinn and Aedh. From Ruaidhrí and Donagh would descend the O'Flahertys of East and West Connemara. Exiled by the Kings of Connacht In the Annals of the Four Masters, Rúaidhri Ua Flaithbheartaigh, King of Iar Connacht, is described as dying at the battle of Glen Patrick in 1061 (Book of Ballymote: died 1062). The Annals state: Maidhm Glinne Pattraicc ria n-Aodh Ua Conchobhair for Iarthair Connacht, in ro mudhaighith ile im Ruaidhri Ua Flaithbheartaigh, tigherna Iarthair Connacht, & ro dicendadh é,