Hitotsubashi Nariatsu
Hitotsubashi Nariatsu (一橋 斉敦, 1780–1816), was the third head of the Hitotsubashi branch of the Tokugawa family in Japan. The younger brother of Tokugawa Ienari, the eleventh shōgun, he succeeded the Hitotsubashi family in 1791.
His childhood name was Konosuke (好之助).