*Diarmait MacToirdelbach O'Brien King of Munster
born 1060 Munster, Ireland
died 1118

father:
*Toirdelbach Mor O'Brien
born 1009
died 14 July 1086

mother:
*Dearbforgail of Ossory
(end of information)

siblings:
*Muirchearteach O'Brien born about 1046 died 1119

spouse:
*Mor Ua Conchobair of Connacht

children:
*Toirrdelbach macDiarmata King of Thomond died 1167
Donnachad macDiramata Bishop of Killaloe died 1164
Tadg Gláe macDiarmata O'Brien King of Desmond died 1154
Conchobar macDiarmata O'Brien King of Thomond died 1142

biographical and/or anecdotal:

notes or source:
LDS
ancestry.com