BO
Beatrice of Montdidier
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Beatrice of Montdidier was Countess of Perche and grandmother of the second Earl of Warwick.
Research notes
✓ BEATRICE, da. of HILDUIN IV, COUNT OF MONTDIDIER AND ROUCY; wife of Geoffrey II, Count of Perche; mother of Margaret (I100371, our line). Source: Cokayne, Complete Peerage (1st edn), 'WARWICK' pp.52-71, page images read 7 Aug 2026.