| Female 4th Countess of Pembroke Isabel de Clare |
| Birth | ||
| Death | ||
| Burial | ||
| Father | 2nd Earl of Pembroke Richard de Clare | F1339 Group Sheet | |
| Mother | ||
| Female Isabel Marshal |
| Birth | 9 Oct 1200 | Pembroke Castle, Pembroke, Pembrokeshire, Wales |
| Death | ||
| Burial | ||
| Spouse | 4th Earl of Hertford Gilbert de Clare | F1337 | |
| Marriage | 9 Oct 1217 | |
| Female Countess of Norfolk Maud Marshal |
| Birth | ||
| Death | Mar 1248 | |
| Burial | ||
| Spouse | 3rd Earl of Norfolk Sir Hugh le Bigod | F1358 | |
| Marriage | Abt 1207 | |