1019 - 1060 (~ 41 years)
| Iorwerth Drwyndwn | |
| B: | Abt 1130 |
| D: | 1174 |
| Pennant-Melangell, Powys, Wales | |
| Owain Gwynedd | |
| B: | Abt 1100 |
| Anglesey, Wales | |
| D: | Bet. 23-28 Nov 1170 |
| Pennant-Melangell, Powys, Wales | |
| Cristin ferch Goronwy | |
| B: | Abt. 1105 |
| Tegaingl, Flintshire, Wales | |
| D: | Gwynedd, Wales |
| Cadwallon ap Gruffydd | |
| B: | Abt. 1098 |
| Gwynedd, Wales | |
| D: | 1132 |
| Powys, Wales | |
| Gruffudd ap Cynan | |
| B: | Abt. 1055 |
| Dublin, Dublin, Ireland | |
| D: | 1137 |
| Gwynedd, Wales | |
|
| Cynan ap Iago | |
| B: | Bef. 1019 |
| Caernarvonshire, Wales | |
| D: | Abt. 1060 |
| Dublin, Dublin, Ireland | |
| Ragnhild Olafsdotter | |
| B: | Abt. 1020 |
| Dublin, Dublin, Ireland | |
| D: | 1076 |
| Dublin, Dublin, Ireland | |
