His younger brother was Shozan SUGINOBO (adopted son of Taekazu TSUDA) who became the originator of the gunnery Hojutsu Juyusairyu.弟に砲術自由斎流の開祖となった杉ノ坊照算(津田妙算の養子)がいる。Wikipedia日英京都関連文書対訳コーパス