| Male Prince of Clanaboy Constantine Conn O'Neill |
| Birth | Abt 1400 | Eden-duff-carrick Castle, , Antrim, Ulster, Ireland |
| Death | 1482 | |
| Burial | ||
| Marriage | ||
| Father | Prince of Clanaboy Aedh Budh Hugh Boy O'Neill | F4488 Group Sheet | |
| Mother | Finola O'Connor | F4488 Group Sheet | |
| Female + Joanna O'Neill |
| Birth | Abt 1420 | Eden-duff-carrick Castle, , Antrim, Ulster, Ireland |
| Death | Yes, date unknown | |
| Burial | ||
| Spouse | Donald Balloch MacDonald | F4486 | |
| Marriage | Abt 1400 | Duniveg and Antrim, , Scotland, United Kingdom |