Sakai 【坂井】6 The Japanese surnames etymology dictionary.
Niigata-ken , Hokkaidou , Toukyou-to . Thing . Shibuki is another name for mountain peach. Niigata-ken Tsubame-shi was in the Edo period. Niigata-ken Nagaoka-shi It was in the Edo era on the board of choice . I tell him that he came from Nagano-ken Suzaka-shi in the Sengoku period.