1020 - 1076 (~ 56 years)
 | Iorwerth Drwyndwn Abt 1130-1174 |
| Iorwerth Drwyndwn | |
| B: | Abt 1130 |
| D: | 1174 |
| Pennant-Melangell, Powys, Wales | |
| Owain Gwynedd Abt 1100-1170 |
| Owain Gwynedd | |
| B: | Abt 1100 |
| Anglesey, Wales | |
| D: | Bet. 23-28 Nov 1170 |
| Pennant-Melangell, Powys, Wales | |
| Cristin ferch Goronwy 1105- |
| Cristin ferch Goronwy | |
| B: | Abt. 1105 |
| Tegaingl, Flintshire, Wales | |
| D: | Gwynedd, Wales |
| Cadwallon ap Gruffydd 1098-1132 |
| Cadwallon ap Gruffydd | |
| B: | Abt. 1098 |
| Gwynedd, Wales | |
| D: | 1132 |
| Powys, Wales | |
| Gruffudd ap Cynan 1055-1137 |
| Gruffudd ap Cynan | |
| B: | Abt. 1055 |
| Dublin, Dublin, Ireland | |
| D: | 1137 |
| Gwynedd, Wales | |
|
| Ragnhild Olafsdotter 1020-1076 |
| Ragnhild Olafsdotter | |
| B: | Abt. 1020 |
| Dublin, Dublin, Ireland | |
| D: | 1076 |
| Dublin, Dublin, Ireland | |
| Cynan ap Iago 1019-1060 |
| Cynan ap Iago | |
| B: | Bef. 1019 |
| Caernarvonshire, Wales | |
| D: | Abt. 1060 |
| Dublin, Dublin, Ireland | |
