Genealogy of the Bryan and Martin Families
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- 1110Drag or scroll to see more of the chart.
| Gwenwynwyn, Lord of Powis | |
| D: | cir 1218 |
| Margaret Corbet -1220 |
| Margaret Corbet | |
| D: | cir 1220 |
| Gwenllian -1200 |
| Gwenllian | |
| D: | cir 1200 |
| Owen Cyfeiliog, Prince of Powis | |
| D: | 1197 |
| Llewellyn, ap Iorwerth the Great | |
| D: | 1240 |
| Joan Plantagenet -1240 |
| Joan Plantagenet | |
| D: | cir 1240 |
Iorwerth Drwyndwn -1194 |
| Iorwerth Drwyndwn | |
| D: | 1194 |
| Margaret, of Powys -1200 |
| Margaret, of Powys | |
| D: | cir 1200 |
| Gwladys -1170 |
| Gwladys | |
| D: | cir 1170 |
| Owen Gwynnedd -1169 |
| Owen Gwynnedd | |
| D: | 1169 |
| Llowarch, of Pembroke -1140 |
| Llowarch, of Pembroke | |
| D: | cir 1140 |
| unknown -1140 |
| unknown | |
| D: | cir 1140 |
| unknown -1110 |
| unknown | |
| D: | cir 1110 |
| Trahaern -1110 |
| Trahaern | |
| D: | cir 1110 |