Jouchou 【常張】1 The Japanese surnames etymology dictionary.
Nagano-ken Saku-shi , Gunma-ken , Nagano-ken Minamisaku-gun Sakuho-machi . Terrain . From the carpenter and the original. Nagano-ken Saku-shi It was in the Edo era in Nakadokado. Nagano-ken Saku-shi It tells that it was a gun smith in Maeyama. Nagano - ken Minamisaku - gun Minamimaki - mura In Nobeyama, tell the descendant of the castle owner of Taguchi castle which was in Nagano - ken Saku - shi Taguchi.