Takeo Fukuda
In 1962, at age 30, Hisashi married 25 year-old Yumiko Egashira, introduced to him by a mutual friend and later employer Takeo Fukuda. A year later, their eldest daughter Masako was born at Toranomon Hospital in Tokyo, followed by twins Reiko and Setsuko in the summer of 1966 in Geneva, Switzerland.