See also
| Husband: | Muirchertach Mac Toirdelbach Mor Ua BRIAIN (c. 1050- ) | |
| Wife: | Dubhchobhleig na OSSIRY (c. 1050- ) | |
| Children: | Lafracoth ingen Muiredaig Ó BRIAIN (c. 1075-c. 1135) | |
| Name: | Muirchertach Mac Toirdelbach Mor Ua BRIAIN | |
| Sex: | Male | |
| Father: | Toirdelbach Ó BRIAIN (c. 1020- ) | |
| Mother: | - | |
| Birth | c. 1050 | |
| Occupation | High King of Ireland | |
| Name: | Dubhchobhleig na OSSIRY | |
| Sex: | Female | |
| Father: | - | |
| Mother: | - | |
| Birth | c. 1050 | |
| Name: | Lafracoth ingen Muiredaig Ó BRIAIN | |
| Sex: | Female | |
| Spouse: | Arnulph de MONTGOMERIE (c. 1065-c. 1125) | |
| Birth | c. 1075 | Munster, Ireland |
| Death | c. 1135 (age 59-60) | |