Isabel de Beaumont
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- 1 Isabel de Beaumont [1]
- Gilbert de Clare, Earl of Pembroke d. 6 Jan 1148
- 2 Richard Fitzgilbert "Strongbow" de Clare [1.1] b. 1130 d. 1176
- Eva (Aoife) MacMurrough
- 3 Isabel de Clare [1.1.1] b. Abt 1174 d. 1220
- Sir William Marshal b. 1146 d. 14 May 1219
- 4 Eva Marshal [1.1.1.1]
[ =>]
- 4 Maud Marshal [1.1.1.2] d. 27 Mar 1248
[ =>]
- 4 Isabel Marshal [1.1.1.3] b. 9 Oct 1200 d. 17 Jan 1240
[ =>]
- 4 Eva Marshal [1.1.1.1]
- 3 Isabel de Clare [1.1.1]
- 2 Richard Fitzgilbert "Strongbow" de Clare [1.1]