3rd Earl of Hertford Sir Richard de Clare
Magna Carta Baron
Abt 1155 - 1217 (~ 62 years)(
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- 1 3rd Earl of Hertford Sir Richard de Clare [1] b. Abt 1155 d. Between 30 Oct 1217 and 28 Nov 1217
- Amice of Gloucester
- 2 4th Earl of Hertford Gilbert de Clare [1.1] b. Abt 1180 d. 25 Oct 1230
- Isabel Marshal b. 9 Oct 1200
- 3 2nd Earl of Gloucester Sir Richard de Clare [1.1.1] b. 4 Aug 1222 d. Jul 1262
- Countess of Gloucester and Hertford Maud de Lacy d. 29 Dec 1288
- 4 6th Earl of Gloucester and Hertford Sir Gilbert de Clare [1.1.1.1] b. 2 Sep 1243 d. 7 Dec 1295
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- 4 6th Earl of Gloucester and Hertford Sir Gilbert de Clare [1.1.1.1]
- 3 2nd Earl of Gloucester Sir Richard de Clare [1.1.1]
- 2 4th Earl of Hertford Gilbert de Clare [1.1]