| Male 6th Earl of Gloucester and Hertford Sir Gilbert de Clare |
| Birth | 2 Sep 1243 | Christchurch, Hampshire, England |
| Death | 7 Dec 1295 | Monmouth Castle, Monmouth, ?, Wales |
| Burial | ||
| Marriage | 23 Apr 1290 [1] | Westminster Abbey, Westminster, Middlesex, England [1] |
| Type | By dispensation | |
| Father | 2nd Earl of Gloucester Sir Richard de Clare | F1120 Group Sheet | |
| Mother | Countess of Gloucester and Hertford Maud de Lacy | F1120 Group Sheet | |
| Female Joan of Acre |
| Birth | 1272 | Acre, Outremer |
| Death | 8 Apr 1307 | |
| Burial | ||
| Father | King Edward I of England Edward Plantagenet | F1495 Group Sheet | |
| Mother | Eleanor of Castile | F1495 Group Sheet | |
| Female Elizabeth de Clare |
| Birth | Nov 1295 | Caerphilly, South Glamorgan, Wales |
| Death | 4 Nov 1360 | |
| Burial | ||
| Spouse | 2nd Lord Verdun Sir Thebaud de Verdun | F1106 (Without the King's licence) | |
| Marriage | [J] 4 Feb 1316 | |
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