Marguerite du Perche Peerage person ID=368589 Parents Beatrix de Montdidier Geoffrey II, Count of Perche Children Henry de Beaumont unknown daughter de Beaumont Rotrou unknown daughter de Beaumont Geoffrey de Beaumont Robert de Neubourg Roger de Beaumont, 2nd Earl of Warwick Siblings Juliette du Perche Rotrou III, Count of Perche Maud de Perche Partners Henry de Beaumont, 1st Earl of Warwick