Iorwerth Drwyndwn
(Notes: You may have to scroll down or right to see chart.)
| Isabella of Mar | |
| B: | 1227 |
| D: | Bef 1302 |
| Scotland | |
| Robert Bruce, I | |
| B: | 11 Jul 1274 |
| Kirkoswald, Ayrshire, Scotland | |
| D: | 7 Jun 1329 |
| Cardross, Dunbartonshire, Scotland | |
| Garnait of Mar | |
| B: | Scotland |
| D: | Bef Sep 1305 |
| Scotland | |
| Christina Bruce | |
| B: | Abt 1273 |
| Seton, East Lothian, Scotland | |
| D: | Abt 1356 |
| Helen Ferch Llywelyn | |
| B: | Abt 1206 |
| D: | 1253 |
| Domhnall I of Mar | |
| B: | Abt 1243 |
| Scotland | |
| D: | Abt 1302 |
| Scotland | |
| Roger De Mortimer | |
| B: | 1231 |
| D: | 30 Oct 1282 |
| Maud De Braose | |
| B: | 1224 |
| D: | 1301 |
| Gwladus Ferch Llywelyn | |
| B: | 1206 |
| D: | 1251 |
| Ralph De Mortimer | |
| B: | Bef 1198 |
| D: | Bef 2 Oct 1246 |
| Dafdd Ap Llywelyn | |
| B: | Abt 1215 |
| England | |
| D: | 25 Feb 1246 |
| Llywelyn Ap Iorwerth | |
| B: | 1173 |
| Dolwyddelan, Caernarvonshire, Wales | |
| D: | 11 Apr 1240 |
| Cistercian, Wales | |
| Joan | |
| B: | Abt 1191 |
| D: | 2 Feb 1237 |
| Isabella of Mar | |
| B: | 1227 |
| D: | Bef 1302 |
| Scotland | |
| Robert Bruce, I | |
| B: | 11 Jul 1274 |
| Kirkoswald, Ayrshire, Scotland | |
| D: | 7 Jun 1329 |
| Cardross, Dunbartonshire, Scotland | |
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