His father was Yoshikane SHIBUKAWA, a Kanto tandai (a high-ranking official with governmental, judiciary or military responsibilities within the Kanto region), who accompanied Masatomo ASHIKAGA, Horigoe Kubo (the shogunal deputy based in Horigoe, Izu Province), to Musashi Province.
父は堀越公方・足利政知に随身して武蔵国に随行した関東探題渋川義鏡。