| Male King of North Wales Idwel Fychan Ap Meurig Mawr |
| Birth | 945 | |
| Death | 996 | Pennmynydd, Dindaethmy, , Anglesey, Wales, United Kingdom |
| Burial | ||
| Marriage | ||
| Father | Meurig Ap Idwal Foel Mawr | F1529 Group Sheet | |
| Mother | ||
| Male + Prince of Gwynedd Iago Ap Idwal Mawr |
| Birth | 974 | Aberffraw Castle, Aberffraw, Anglesey, Wales, United Kingdom |
| Death | 1039 | Aberffraw Castle, Aberffraw, Anglesey, Wales, United Kingdom |
| Burial | ||
| Spouse | Avendreg Ferch Gwair, of Powys | F1527 | |
| Marriage | ||