| Male Earl of Hertford Roger De Clare |
| Birth | 1115 | |
| Death | 1173 | |
| Burial | ||
| Marriage | ||
| Father | Earl of Hereford Richard FitzGilbert De Clare | F1235 Group Sheet | |
| Mother | Adeliz De Machines | F1235 Group Sheet | |
| Female Maud Harcourt |
| Birth | 1195 | |
| Death | Yes, date unknown | |
| Burial | ||
| Father | James Harcourt | F1281 Group Sheet | |
| Mother | Aveline | F1281 Group Sheet | |
| Female + Aveline De Clare |
| Birth | ||
| Death | 4 Jun 1225 | |
| Burial | ||
| Spouse | Earl of Essex Geoffrey Fitzpiers | F1232 | |
| Marriage | 29 May 1205 | |
| Male + Earl of Hertford Richard De Clare |
| Birth | 1153 | |
| Death | 1217 | |
| Burial | ||
| Spouse | Countess of Gloucester Amicia | F1428 | |
| Marriage | ||