Yoshinobu adopted Hidetsuna HACHIMANYAMA as his son, who was the younger brother of Yoshisato ROKKAKU, and named him Saburo because he had no son when he first moved to Gifu.
秀信には岐阜入部当初男子がなかったため、六角義郷の弟八幡山秀綱を養子とし、三郎と名乗らせている。