His mother was the adopted daughter of Sakone no shosho (Minor Captain of the Left Division of Inner Palace Guards) Tsunatoshi HOSOKAWA (the lord of the Kumamoto Domain) (a daughter of Toshishige HOSOKAWA - the lord of the Kumamoto Shinden Domain)).
母は左近衛少将細川綱利（熊本藩主）の養女（細川利重（熊本新田藩主）の娘）。