Earl of Hereford Richard FitzGilbert De Clare
1100 - 1136 (36 years)(
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- 1 Earl of Hereford Richard FitzGilbert De Clare [1] b. 1100 d. 15 Apr 1136
- Adeliz De Machines
- 2 Earl of Hertford Roger De Clare [1.1] b. 1115 d. 1173
- Maud Harcourt b. 1195 d. Yes, date unknown
- 3 Aveline De Clare [1.1.1] d. 4 Jun 1225
- Earl of Essex Geoffrey Fitzpiers d. 14 Oct 1213
- 4 Sir John Fitzgeoffrey, of Essex [1.1.1.1] d. 23 Nov 1258
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- 4 Sir John Fitzgeoffrey, of Essex [1.1.1.1]
- 3 Earl of Hertford Richard De Clare [1.1.2] b. 1153 d. 1217
- Countess of Gloucester Amicia d. 1225
- 4 Earl of Gloucester Gilbert De Clare [1.1.2.1] b. 1180 d. 25 Oct 1230
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- 4 Earl of Gloucester Gilbert De Clare [1.1.2.1]
- 3 Aveline De Clare [1.1.1]
- 2 Earl of Hertford Roger De Clare [1.1]