Isabel De Beaumont
1102 - 1172 (70 years)(Notes: You may have to scroll down or right to see chart.)
| Eva Marshal | |
| B: | 1203 |
| Pembrokeshire, Wales | |
| D: | 1246 |
| William De Braose | |
| B: | Abt 1197 |
| Brecon, Breconshire, Wales | |
| D: | 2 May 1230 |
| William Marshal | |
| B: | 1190 |
| D: | 6 Apr 1231 |
| Richard Marshal | |
| B: | 1191 |
| D: | 16 Apr 1234 |
| Mehelt Marshal | |
| B: | 1194 |
| D: | 27 Mar 1248 |
| Gilbert Marshal | |
| B: | 1197 |
| D: | 27 Jun 1241 |
| Walter Marshal | |
| B: | 1199 |
| D: | Nov 1245 |
| Margaret De Quincy | |
| B: | 1206 |
| D: | Mar 1266 |
| Isabel Marshal | |
| B: | 9 Oct 1200 |
| D: | 17 Jan 1240 |
| Gilbert De Clare | |
| B: | 1180 |
| Hertford, Hertfordshire, England | |
| D: | 25 Oct 1230 |
| Penrose, Brittany, France | |
| Sibyl Marshal | |
| B: | 1201 |
| D: | 27 Apr 1245 |
| William De Ferrers | |
| B: | 1193 |
| Derbyshire, England | |
| D: | 28 Mar 1254 |
| Anselm Marshal | |
| B: | 1198 |
| D: | 22 Dec 1245 |
| Joan Marshal | |
| B: | 1202 |
| D: | 1234 |
| Isabel De Clare | |
| B: | 1172 |
| Ireland | |
| D: | 1220 |
| William Marshal | |
| B: | 1146 |
| D: | 14 May 1219 |
| Gilbert De Clare | |
| D: | 1185 |
| Richard De Clare | |
| B: | 1130 |
| D: | 20 Apr 1176 |
| Isabel De Beaumont | |
| B: | 1102 |
| D: | 1172 |
| Gilbert De Clare | |
| B: | 1100 |
| D: | 6 Jan 1147 |
