See also
| Partner: | Eachmarcach O' CATHAIN (c. 1125- ) | |
| Partner: | (unknown) | |
| Children: | Donal O' CATHAIN (c. 1150- ) | |
| Name: | Eachmarcach O' CATHAIN | |
| Sex: | Male | |
| Father: | Raghnaill O' CATHAIN (c. 1090- ) | |
| Mother: | - | |
| Birth | c. 1125 | Ulster, Ireland |
| Occupation | King | |
| Name: | Donal O' CATHAIN | |
| Sex: | Male | |
| Birth | c. 1150 | |
| Occupation | King of Formaeil | |