- 1181
 | Graf Roger Mortimer, 1. Earl of March 1287-1330 |
| Graf Roger Mortimer, 1. Earl of March | |
| *: | 24 Apr 1287 |
| Wigmore, Herefordshire, England | |
| +: | 29 Nov 1330 |
| Tyburn in London | |
| Jeanne (Joan) de Geneville | |
| oo: | 1301 |
| +: | 1356 |
| Edmund Mortimer, 1. Baron Mortimer 1251-1304 |
| Edmund Mortimer, 1. Baron Mortimer | |
| *: | 1251 |
| +: | 17 Jul 1304 |
| Wigmore Castle, England | |
Marguerite de Fiennes -1334 |
| Marguerite de Fiennes | |
| oo: | Sep 1285 |
| +: | 1334 |
 | Richard FitzAlan, 8. Earl of Arundel 1267-1302 |
| Richard FitzAlan, 8. Earl of Arundel | |
| *: | verm. 3 Feb 1267 |
| +: | 9 Mrz 1302 |
| Adelesia (Alice) von Saluzzo | |
| oo: | vor 1285 |
| Isabella Mortimer -1292 |
| Isabella Mortimer | |
| +: | 1292 |
| John FitzAlan, 7. Earl of Arundel 1246-1272 |
| John FitzAlan, 7. Earl of Arundel | |
| *: | 1246 |
| oo: | 1260 |
| +: | 1272 |
 | Roger III. Mortimer 1231-1282 |
| Roger III. Mortimer | |
| *: | 1231 |
| Cymaron Castle | |
| +: | 26 Okt 1282 |
| Kingsland, Herefordshire | |
| Maud de Braose | |
| oo: | 1247 |
 | Ralph II. Mortimer 1190-1246 |
| Ralph II. Mortimer | |
| *: | cir 1185/1190 |
| +: | 6 Aug 1246 |
 | Gwladus Ddu (von Gwynedd) 1195-1251 |
| Gwladus Ddu (von Gwynedd) | |
| *: | cir 1195 |
| Königreich Gwynedd, Wales | |
| oo: | Vermutlich Jun 1230 |
| +: | 1251 |
| Windsor, Berkshire | |
| Roger Mortimer -vor 1214 |
| Roger Mortimer | |
| +: | vor 19 Aug 1214 |
| Isabelle de Ferrers | |
| oo: | Datum unbekannt |
|
| Hugh II. Mortimer -1181 |
| Hugh II. Mortimer | |
| +: | 1180/1181 |
| Cleobury Mortimer | |
| Matilda von Egremont | |
| oo: | Datum unbekannt |
