His younger sister Yae and Shonosuke KAWASAKI (who was a Western scholar and a son of the doctor of the Izushi Domain in Tajima Province, who was invited to the place for Dutch studies as a professor) got married in 1865.
1865年（慶応元年）妹八重と川崎尚之助（蘭学所教授として覚馬が招聘した但馬出石藩医の子、洋学者）が結婚。