Flaithbertach Ua Néill (before 978–1036) was king of Ailech, a kingdom of north-west Ireland. He abdicated in 1030 and undertook a pilgrimage to Rome,...

mac Néill, and grandson of Niall Glúndub, a member of the Cenél nEógain northern Uí Néill. He became co-King of Ailech with his brother Flaithbertach on...

nEógain, the Cenél Conaill over-king of the Northern Uí Néill, and the Uí Néill as a whole, Flaithbertach mac Loingsech abdicated. From then onwards the Cenél...

King of Munster and abbot of Scattery Island Flaithbertach Ua Néill (died 1036), King of Ailech Flaithbertach Mac Cathmhaoil (died 1238), arch-chief of Cenel-Feradhaigh...

his ally Máel Sechnaill was attacked by the Cenél nEógain king Flaithbertach Ua Néill, with the Ulstermen as his allies. This was followed by further...

branch of the Northern Uí Néill. The first to adopt the patronymic surname was Niall Glúndub's great-grandson, Flaithbertach Ua Néill. The clan is not mentioned...

Áed mac Domnaill Ua Néill 989–1004 Flaithbertach Ua Néill 1004–1031 Áed mac Flaithbertaig Ua Néill 1031–1033 Flaithbertach Ua Néill (again) 1033–1036...

of the Uí Néill dynasty, Ánrothán Ua Néill, son of Áed, son of Flaithbertach Ua Néill, King of Ailech and Cenél nEógain, died 1036. Through this descent...

claim descent from a prince of the Uí Néill dynasty, Ánrothán Ua Néill, son of Áed, son of Flaithbertach Ua Néill, King of Ailech and Cenél nEógain, who...

an Irish prince of the O'Neill dynasty, Ánrothán Ua Néill, son of Áed, son of Flaithbertach Ua Néill, King of Ailech and Cenél nEógain, died 1036. Clan...

the titular High Kingship, with the aid of his northern kinsman Flaithbertach Ua Néill, but the High Kingship, albeit with opposition, did not reappear...

Néill, King (989–1004) Flaithbertach Ua Néill, King (1004–1031) Áed mac Flaithbertaig Ua Néill, King (1031–1033) Flaithbertach Ua Néill (again), King (1033–1036)...

prince of the O'Neill dynasty, Ánrothán Ua Néill/Anrothan O'Neill, son of Áed, son of Flaithbertach Ua Néill, King of Ailech and Cenél nEógain, who left...

renewed. Flaithbertach Ua Néill, King of the Cenél nEógain, resented the rise of Brian Boru. Had the old political order persisted, Flaithbertach would have...

to claim the Irish High Kingship: Brian Ua Néill from 1258 to 1260 Edward Bruce from 1315 to 1318 Brian Ua Néill and Edward Bruce both claimed the title...

supported by Flaithbertach ua Néill. In Munster, internal strife almost immediately began between Brian's sons Donnchad and Tadc, and Dúngal Ua Donnchada...

of Donnchad, son of Brian, at Cenn Corad at Eastertide. AI1029.8 Flaithbertach Ua Néill, on his pilgrimage to Ard Macha. Book of Armagh List of localities...

generation of the previous Cenél Conaill High King, Flaithbertach mac Loingsig. In the period before Ruaidrí ua Canannáin rose to prominence, the Cenél nEógain...

(Irish: Brian Chatha an Dúna Ó Néill), was the High King of Ireland from 1258 to 1260. In 1230 Hugh O'Neill (Aedh Ó Néill), king of Tyrone, died and was...

Flaithbertach mac Loingsig (died 765) was a High King of Ireland. He was a member of the Cenél Conaill, a branch of the northern Uí Néill. He was the...

("Kindred of Owen") are a branch of the Northern Uí Néill, who claim descent from Eógan mac Néill, son of Niall of the Nine Hostages. Originally their...

series of attacks by Flaithbertach Ua Néill, king of the Cenél nEógain, to punish the Ulaid. In 1006, an army led by Flaithbertach marched into Leth Cathail...

then part of the Northern Uí Néill, and went as far north as Inis Eoin (the Inishowen Peninsula). The Northern Uí Néill were alarmed by these attacks...

dynasty named Ánrothán Ua Néill, who left Ireland for Kintyre in the 11th century. He was a son of Áed, son of Flaithbertach Ua Néill, King of Ailech and...

Áed mac Néill (died 879), called Áed Findliath ("fair-grey Áed"; Modern Irish: Aodh Fionnadhliath) to distinguish him from his paternal grandfather Áed...

and brought about the killing of Domnall Ua Maíl Shechnaill. He asserted supremacy over the Southern Uí Néill of the Kingdom of Meath, dividing the province...

ambitions." Hostages were taken from Sigtrygg by Flaithbertach Ua Néill, King of Cenél nEógain and the Uí Néill, and Donnchad mac Briain of Munster in 1025...

traditional target of the Uí Néill, and also, for the first time, the great southern kingdom of Munster. 734 Abduction of Flaithbertach mac Loingsig. Cenél Conaill...

Toirdhealbhach Ua Briain (old spelling: Toirdelbach Ua Briain), anglicised Turlough O'Brien (1009 – 14 July 1086), was King of Munster and effectively...

century. In 1010 AD according to the Annals of the Four Masters Flaithbertach Ua Néill of the Cenél nEógain led an incursion into Ulaid and burnt Dún Eachdach...