Ajimoto 【網師本】3 The Japanese surnames etymology dictionary.
Nagano-ken . Terrain . From the top of the bank. Nagano-ken Shimotakai-gun Yamanouchi-machi Tell Tsutsumi Yuki that the vassals of Mr. Takanashi came back from 1558 to 1570 (Yongju years). Tell Nagano-ken Nakano-shi that it was Watanabe surname. 渡辺 reference. Good neighbor . Nagano-ken Iiyama-shi Mizuho is based.