 | Iorwerth Drwyndwn Abt 1130-1174 |
| Iorwerth Drwyndwn | |
| B: | Abt 1130 |
| D: | 1174 |
| Pennant-Melangell, Powys, Wales | |
| Madog ap Maredudd -1160 |
| Madog ap Maredudd | |
| D: | 1160 |
| Maredudd ap Bleddyn 1047-1132 |
| Maredudd ap Bleddyn | |
| B: | 1047 |
| D: | 9 Feb 1132 |
| Bleddyn ap Cynfyn -1073 |
| Bleddyn ap Cynfyn | |
| D: | 1073 |
