| Maredudd OWAIN | |
| B: | Abt 1210 |
| D: | 1265 |
| Llywelyn AP OWEN | |
| B: | Abt 1270 |
| Iscoed, Ceredigion, WLS | |
| D: | 1309 |
| D. Of ROBERT DE VALE | |
| B: | Abt 1280 |
| D: | Yes, date unknown |
| Owen AP MAREDYDD | |
| B: | Abt 1240 |
| D: | 15 Aug 1275 |
| Angharad FERCH OWEN | |
| B: | Abt 1240 |
| D: | Yes, date unknown |
| Elena (Or Eleanor) FERCH MAELGWN | |
| B: | Abt 1220 |
| D: | Yes, date unknown |
| Owain GRUFFUDD | |
| B: | Abt 1180 |
| D: | 1236 |
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