Grieve1930–2010Nama dan MargaRowntree, Margaret GrieveLinimasaBirth1930Death2010HubunganSaudara kandungGrieve (1910–1990)Grieve (1910–1990)Grieve (1920–2010)Grieve (1920–2010)Orang tuaJames Grieve (1887–1940)Mary Bell (1890–1976)Sumberwikitree Grieve-850