See also
| Partner: | Giollachriosd O' CAHAN (c. 1020- ) | |
| Partner: | (unknown) | |
| Children: | Iomar O' CATHAIN (c. 1060- ) | |
| Name: | Giollachriosd O' CAHAN | |
| Sex: | Male | |
| Father: | Conn O' CATHAN (c. 970- ) | |
| Mother: | - | |
| Birth | c. 1020 | Ulster, Ireland |
| Name: | Iomar O' CATHAIN | |
| Sex: | Male | |
| Birth | c. 1060 | Ulster, Ireland |