Seferys ap Cadwr
900 - Yes, date unknownDrag or scroll to see more of the chart.
| Elystan Glodrydd ap Cuhelyn Abt 990- |
| Elystan Glodrydd ap Cuhelyn | |
| B: | Abt 990 |
| Yorkshire, England | |
| D: | Yorkshire, England |
 | Gwladys ferch Rhun 1000-Yes, date unknown |
| Gwladys ferch Rhun | |
| B: | 1000 |
| D: | Yes, date unknown |
| Cuhelyn ab Ifor Abt 960-Yes, date unknown |
| Cuhelyn ab Ifor | |
| B: | Abt 960 |
| Yorkshire, England | |
| D: | Yes, date unknown |
| Ifor ap Severus Abt 930-Yes, date unknown |
| Ifor ap Severus | |
| B: | Abt 930 |
| Yorkshire, England | |
| D: | Yes, date unknown |
|
| Seferys ap Cadwr 900-Yes, date unknown |
| Seferys ap Cadwr | |
| B: | 900 |
| Yorkshire, England | |
| D: | Yes, date unknown |