| Philippa Mortimer | |
| *: | 1375 |
| +: | 1401 |
| Richard FitzAlan, 11. Earl of Arundel | |
| *: | 1346 |
| oo: | 1390 |
| +: | 21 Sep 1397 |
| Graf Edmund Mortimer, 3. Earl of March | |
| *: | 1 Feb 1352 |
| +: | 27 Dez 1381 |
| Cork | |
| Philippa of Clarence (Plantagenêt), 5. Countess of Ulster | |
| *: | 16 Aug 1355 |
| oo: | 1368 |
| +: | 5 Jan 1382 |
|
| Philippa Montacute (Montagu) | |
| +: | 1381/82 |
| Graf Roger Mortimer, 2. Earl of March | |
| *: | 11 Nov 1328 |
| Ludlow, Shropshire | |
| +: | 26 Feb 1360 |
| Rouvray in der Nähe von Avallon | |