Keys1920–1970Nama dan MargaWilliam Henry KeysLinimasaBirth1920Death1970HubunganSaudara kandungKeys (1930–1930)Keys (1920–1980)Orang tuaJoseph Alexander Buller Keys (1901–1957)Magdalena Johanna van Zyl (1905–1968)Sumberwikitree Keys-2557