Kammala wannan magana: An haifi Stone a Los Angeles ga iyayen Yahudawa. Mahaifiyarsa, Hilda (née Hess), marubuciya ce ta fim, kuma mahaifinsa, John Stone (haifaffen Saul Strumwasser), marubuci ne kuma furodusa ne na fina-finai marasa motsi da yawa, gami da fina-finai na Tom Mix, Buck Jones, Shirley Temple da Charlie Chan. Hilda Bayahude ce ta Bavaria daga Bamberg, amma an haife ta ne a Mexico (mahaifinta ya kauce wa aikin da aka tsara a cikin shekarun 1870) kuma ya zauna a can har tsawon shekaru biyar tare da iyalinta har sai an kori dukkan 'yan kasashen waje a lokacin yakin basasa na Bavarian.
Juyin juya halin Mexico na 1910. Stone yana da ɗan'uwa David, wanda ya kasance tsohon soja na Yaƙin Duniya na II, yana aiki tare da Sojojin Ruwa na Amurka.