The Japanese surnames etymology dictionary.
Yamanashi-ken , Shizuoka-ken Shizuoka-shi . Yamanashi - ken Minamikoma - gun Minobu - chou Tell Oda Shihara that it is a pioneer. Shizuoka-ken Shizuoka-shi In Aoi-ku Ichinoshima it is said that Yamanashi-ken is out. There is also a tradition that Mr. Takeda was a vassal in the same place.