Chirographer, Kanshi poet, loyalist in the last days of the Tokugawa Shogunate.
Sanshu was born in Bungo Province (present Ohita Prefecture) as a son of a doctor and also Kanshi poet.
Sanshu learned Kanji poem and other studies under Hirose Tanso.
Though, when the war between the Tokugawa Shogunate and the Choshu Domain
began, Shashu participated in the Kiheitai army of the Choshu Domain and
battled against the Shogunate in various locations.
After the Meiji Restoration in 1868, he served the new government until 1878.
After the resignation, Sanshu took life easy by composing Kanji poems and depicting pictures.