The Japanese surnames etymology dictionary.
② Topography . From the side of Sey. Kagoshima-ken Tarumizu-shi From the Seta gates of the gate division system which was in the Edo era in the Kita-do. It is distributed in Kumamoto-ken Kamiamakusa-shi . Chiba-ken Sakura-shi Castle town was in the Edo era in the clan Sakura of the Clan office.