Genealogy of the Bryan and Martin Families
Family: William de Courcy / Maud d'Avranches (F1991)
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Richard, Vcte. d'Avranches (1100- )
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Maud de Blois (1100- )
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| William de Courcy (1130- ) |
| Maud d'Avranches (1130- )
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Hawise de Courcy, Lady of Okehampton (1158- )  |