Niall ‘Culanach’, King of Cenel Eoghain1 
He gained the title of King of Cenel Eoghain in 1261.1 In 1263 he was deposed as King of Cenel Eoghain by his brother Aedh.1 He gained the title of King of Cenel Eoghain in 1286, deposing Domhall with Norman help.1 In 1290 he was deposed as King of Cenel Eoghain.1 He gained the title of King of Cenel Eoghain in 1291, again with Norman help.1
Child of Niall ‘Culanach’, King of Cenel Eoghain
- [S37] BP2003 volume 2, page 3007. See link for full details for this source. Hereinafter cited as. [S37]
unknown daughter (?)1
Her married name became O’Reilly.1
- [S37] BP2003 volume 2, page 3007. See link for full details for this source. Hereinafter cited as. [S37]
Giollaisoa ‘Ruadh’ O’Reilly1 
He was Dynast of East Breffny.1
- [S37] BP2003 volume 2, page 3007. See link for full details for this source. Hereinafter cited as. [S37]
unknown daughter de Lacy1
Child of unknown daughter de Lacy and Miles de Nangle
- [S37] BP2003 volume 2, page 3007. See link for full details for this source. Hereinafter cited as. [S37]
Hugh de Lacy, 1st Earl of Ulster1 
He gained the title of 1st Earl of Ulster.1
Children of Hugh de Lacy, 1st Earl of Ulster
Cu-Uladh (?)1
In 1268 he was hostage for his father.1
- [S37] BP2003 volume 2, page 3007. See link for full details for this source. Hereinafter cited as. [S37]
Aedh (?)1
- [S37] BP2003 volume 2, page 3008. See link for full details for this source. Hereinafter cited as. [S37]
Domnall ‘Donn’ (?)1
He was ancestor of the Clann Domhnuill Duinn, Lords of Loughinsholin in Derry.1
- [S37] BP2003 volume 2, page 3008. See link for full details for this source. Hereinafter cited as. [S37]
Brian O’Neill1 
In 1326 he was taken prisoner while Tanist of Clannaboy by the English.1 He held the position of Chief of Clannaboy from between 1347 and 1369.1 In 1354 he was defeated an invasion of Clannaboy by his kinsman and nominal suzerain Aedh O’Neill, King of Ulster.1
- [S37] BP2003 volume 2, page 3008. See link for full details for this source. Hereinafter cited as. [S37]
Muircheartach Óg O’Neill1
He was ancestor of the O’Neills of Killitragh, County Londonderry.1
- [S37] BP2003 volume 2, page 3008. See link for full details for this source. Hereinafter cited as. [S37]