| b 0918, Of, Llandeilo, Carmarthenshire, Wales | Merfyn 'Frych' Ap Gwriad, [King of Powys] | > | Rhodri 'Mawr' Ap Merfyn | Esyllt Verch Cynan | > |
| Merfyn Ap Rhodri | b 0789 | Meurig Ap Dyfnwallon | > | |
| | b 0859 | Angharad Verch Meurig | Mrs-Meurig Ap Dyfnwallon | ||
| Llywelyn Ap Merfyn | d 0900 | b 0825 | ||
| |b 0880 | | | |||
| | | Mrs-Merfyn Ap Rhodri | |||
| | | b 0863 | |||
| Angharad Verch Llewelyn | d 0920 | |||
| |Owain Ap Hywel | | | |||
| | | | | |||
| Mrs-Llewelyn Ap Merfyn | ||||
| b 0884 | | | |||
| 1 | Einion Ap Owain | 2 | Cadwallon Ap Owain | 3 | < | Maredudd Ap Owain | 4 | Llywarch Ap Owain | 5 | Iestyn Ap Owain |