| Father | Kings of Ailech Eoghan O'Neill (b. 377, d. 465) |
| Mother | Carthan Casduff (b. before 356) |
| Son | Fergus Cerrbél macConnaill O'Néill+ (b. about 425) |
| Pedigree Chart |
| Birth | UM 0400 | Prince Conall Cremthainne Mac- Niall of Ireland was born UM 0400. |
| Last Edited | 7 December 2020 |