His younger brother was a big Kengo (a great swordsman) who joined Shogitai (group of former Tokugawa retainers opposed to the Meiji government who fought in the Battle of Ueno) and killed many Imperial army soldiers in the Battle of Ueno.
弟は彰義隊に入り上野戦争で官軍の兵士を沢山斬り戦い続けた大柄な剣豪。