| Generation 1 - Basilia De Clare: Died - - , England |
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| Generation 2 - Gilbert De Clare: Died - 1148 - , England |
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| Generation 3 - Gilbert Fitzrichard De Clare: Died - 1113/1116 - , England |
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| Generation 3 - Gilbert Fitzrichard De Clare & Adeliza De Clermont: Married - Bef 1089 - , England |
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| Generation 3 - Adeliza De Clermont: Died - - , England |
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| Generation 3 - Robert De Beaumont, [Count] & Isabel Elizabeth De Vermandois: Married - 1095 - , France |
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| Generation 3 - Isabel Elizabeth De Vermandois: Died - 6 Feb 1131 - , England |
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| Generation 4 - Richard Fitz De Clare Gilbert & Rohese Gifford: Married - - , England |
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