| Father | Niall Mor Prince Of Clanaboy O'Neil (b. 1465, d. 11 April 1512) |
| Mother | Gormfhlaith Okonell (b. 1470) |
| Son | Brian Mcphielim O'Neil+ (b. 1530, d. 1574) |
| Pedigree Chart |
| Marriage | Feidhlimidh O'Neil and Elizabeth Devlin were married. | |
| Birth | 1490 | He was born in 1490 in Edenduffcarick, Northern IrelandBGO. |
| Death | 1550 | He died in 1550 at age ~60 in Carrickfergus, Northern IrelandBGO. |
| Last Edited | 2 December 2016 |