Earl of Hertford Roger De Clare
1115 - 1173 (58 years)(
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- 1 Earl of Hertford Roger De Clare [1] b. 1115 d. 1173
- Maud Harcourt b. 1195 d. Yes, date unknown
- 2 Aveline De Clare [1.1] d. 4 Jun 1225
- Earl of Essex Geoffrey Fitzpiers d. 14 Oct 1213
- 3 Sir John Fitzgeoffrey, of Essex [1.1.1] d. 23 Nov 1258
- Isabel Bigod
- 4 Joan, of Essex [1.1.1.1] d. 4 Apr 1303
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- 4 Maud, of Essex [1.1.1.2] d. 16 Apr 1301
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- 4 Avelina Fitzjohn, of Essex [1.1.1.3] b. 1248 d. Yes, date unknown
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- 4 Joan, of Essex [1.1.1.1]
- 3 Sir John Fitzgeoffrey, of Essex [1.1.1]
- 2 Earl of Hertford Richard De Clare [1.2] b. 1153 d. 1217
- Countess of Gloucester Amicia d. 1225
- 3 Earl of Gloucester Gilbert De Clare [1.2.1] b. 1180 d. 25 Oct 1230
- Lady Isabella Marshal b. 9 Oct 1200 d. 17 Jan 1240
- 4 Earl of Gloucester Richard De Clare [1.2.1.1] b. 4 Aug 1222 d. 15 Jul 1262
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- 4 Isabel De Clare [1.2.1.2] b. 8 Nov 1226 d. 1254
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- 4 Earl of Gloucester Richard De Clare [1.2.1.1]
- 3 Earl of Gloucester Gilbert De Clare [1.2.1]
- 2 Aveline De Clare [1.1]