| Male King of Gwynedd Gwriad Mawr |
| Birth | 738 | |
| Death | 825 | |
| Burial | ||
| Marriage | ||
| Father | Elidir Ap Sandde, of Brnffenigl | F1381 Group Sheet | |
| Mother | Celemion Ferch Tudwal, Wife, of Man | F1381 Group Sheet | |
| Female Ethil, of Gwynedd |
| Birth | 760 | Caer Seiont, Caernarfon, Caernarvon, Wales, United Kingdom |
| Death | Yes, date unknown | |
| Burial | ||
| Father | King of Gwynedd Cynan Dindaethwy Ap Rhodri | F1395 Group Sheet | |
| Mother | ||
| Male + King of Gwynedd Merfyn Mawr |
| Birth | 775 | , , Wales, United Kingdom |
| Death | 844 | |
| Burial | ||
| Spouse | Nest, of Powys | F1379 | |
| Marriage | ||