William FitzRoy, Viscount Ipswich British noble (1884–1918) (1884–1918) Parents Margaret Rose Smith Alfred FitzRoy, 8th Duke of Grafton Children John FitzRoy, 9th Duke of Grafton Lady Mary Rose FitzRoy Lady Margaret Jane FitzRoy Siblings Lady Lillian FitzRoy Lady Mary Margaret FitzRoy Lady Elfrida Marie Susanna FitzRoy Lady Cecilia Blanche Genevieve FitzRoy Partners Auriol Margaretta Brougham