The Japanese surnames etymology dictionary.
① From the field and "good" in the estimate. Yamagata-ken Mogami-gun Kaneyama-machi The top table is based. Yamagata-ken Mogami-gun Kaneyama-machi Shimono Aki tells Chiba-ken Sakura-shi Castle town, who came to the Edo era, as the descendant of the Sakura clan of the clan government. Shiga-ken Gamou-gun Hino-chou Murai says that it had been called since the Kamakura period. Saitama-ken Saitama-shi Chuo-ku Yamami, Ooita-ken Nakatsu-shi Ninodong was in the Edo era in the Nakazu clan of the clan government.