| Iowerth Drwyndwn Prince Of North Wales |
| Iowerth Drwyndwn Prince Of North Wales | |
| D: | Abt 1174 |
| Owain I Gwyned Prince Of North Wales |
| Owain I Gwyned Prince Of North Wales | |
| B: | Abt 1000 |
| D: | 1170 |
| Llywarch Prince Of North Wales |
| Llywarch Prince Of North Wales | |
| D: | Abt 1129 |
| Trahaern Of Arwystli Prince Of North Wales | |
| D: | 1081 |