He claimed himself as one of the descendants of MINAMOTO no Yoshitaka (Shimizu no Kanja) (an eldest legitimate son of MINAMOTO no Yoshinaka), and his ancestors inherited the Chikamatsu family, the doctors of the Rokkaku clan in Omi province.
源義高(清水冠者)（源義仲の嫡男）の末流を称し、先祖は近江国の六角氏の典医近松家を継いだ。