| Male Earl of Gloucester Gilbert De Clare |
| Birth | 1180 | |
| Death | 25 Oct 1230 | Penrose, Brittany, France |
| Burial | ||
| Marriage | 9 Oct 1217 | Tewkesbury Abbey, Tewkesbury, Gloucestershire, England, United Kingdom |
| Father | Earl of Hertford Richard De Clare | F1428 Group Sheet | |
| Mother | Countess of Gloucester Amicia | F1428 Group Sheet | |
| Female Lady Isabella Marshal |
| Birth | 9 Oct 1200 | Pembroke Castle, Wales, United Kingdom |
| Death | 17 Jan 1240 | Berkhamsted Castle, Berkhamsted, Hertfordshire, England, United Kingdom |
| Burial | ||
| Father | Earl of Pembroke, Sir William Marshal | F1296 Group Sheet | |
| Mother | Countess of Pembroke Isabel Fitzgilbert De Clare | F1296 Group Sheet | |
| Male + Earl of Gloucester Richard De Clare |
| Birth | 4 Aug 1222 | |
| Death | 15 Jul 1262 | Ashenfield Manor, Waltham, Canterbury, Kent, England, United Kingdom |
| Burial | ||
| Spouse | Maude De Lacy | F1426 | |
| Marriage | 25 Jan 1237 | |
| Female + Isabel De Clare |
| Birth | 8 Nov 1226 | |
| Death | 1254 | |
| Burial | ||
| Spouse | Earl of Carrick Robert Bruce | F1967 | |
| Marriage | 12 May 1240 | |