He grew up in a family of famous doctors; his father, Genyu HONMA and his grandfather, Gentaku HONMA, who were the founders of Kei hospital, and his adopted father, Michihide.
父本間玄有と祖父本間玄琢は稽医館の創始者で、養父道偉も医者であり、名医一族の中で育った。