Mabile de Beaumont Peerage person ID=9305 Parents Robert de Beaumont, Count of Meulan Maude de Dunstanville Children Baldwin de Reviers Mary de Vernon Siblings Pierre de Meulan Jeanne de Meulan Galeran V de Beaumont, Comte of Meulant Adeline de Beaumont Henri de Meulan Agnes de Meulan Partners William de Redvers, 5th Earl of Devon