Murrough O’Brien1 
He was ancestor of the O’Briens of Caherminnaun.1 He lived at Caherminnaun, County Cork, Ireland.1
Murtough O’Brien1 
He lived at Dromline, Ireland.1
Child of Murtough O’Brien
Ermengarde Tonnerre1
Children of Ermengarde Tonnerre and Guillaume I de Nevers
- Ermengarde de Nevers+1 b. 1050
- Robert de Nevers1 b. 1052, d. 12 Feb 1095
- Guillaume II de Nevers, Comte de Tonnerre1 b. 1052, d. 1090
- Heloise de Nevers1 b. 1056
- Sibille de Nevers1 b. 1058, d. 1078
- Renaud II de Nevers, Comte de Nevers+1 b. 1059, d. bt 1089 – 1097
- [S130] Wikipedia, online http;//www.wikipedia.org. Hereinafter cited as Wikipedia.
Renaud de Tonnerre, Comte de Tonnerre1
Child of Renaud de Tonnerre, Comte de Tonnerre
- [S130] Wikipedia, online http;//www.wikipedia.org. Hereinafter cited as Wikipedia.
Teig O’Brien1 
Dermod O’Brien1 
Móre O’Brien1 
Donogh McMahon O’Brien1
- [S37] BP2003 volume 2, page 2034. See link for full details for this source. Hereinafter cited as. [S37]
Ranelt O’Brien1
Child of Ranelt O’Brien and Mahon O’Brien
Turlough O’Brien1
He held the office of Bishop of Killaloe.1 He and Ranelt O’Brien were associated.2
