He was the nephew of literary critic Korehito Kurahara, and older brother of film director Koretsugu Kurahara. His son Jun Iwasaki, a former producer for Ishihara International Productions Inc., is currently secretary to politician Nobuteru Ishihara. While a film student at Nihon University College of Art, he became a live-in student of Kajiro Yamamoto at the introduction of Ishir* Honda.
Jun Iwasaki
Nobuteru Ishihara