Gilbert de Clare, 6th Earl of Hertford 7th Earl of Gloucester
(Notes: You may have to scroll down or right to see chart.)
| Isabel Verdun | |
| B: | 21 Mar 1316/17 |
| Amesbury, Wiltshire, England | |
| Elizabeth de Clare | |
| B: | 16 Sep 1295 |
| D: | 04 Nov 1360 |
| Theobald de Verdun, 2nd Lord Verdun | |
| B: | 08 Sep 1278 |
| D: | 27 Jul 1316 |
| Alton, Staffordshire, England | |
| John de Burgh | |
| D: | 1313 |
| Ireland | |
| Roger d'Amory Lord d'Amory Baron of Amory in Ireland | |
| D: | 13 Mar 1321/22 |
| Tutbury, Staffordshire, England | |
| Unknown |