Kohage 【小禿】1 The Japanese surnames etymology dictionary.
Yamaguchi-ken Houfu-shi . Hiroshima-ken There was the name of Kobayakawa Sadahira in the warlord of the Kamakura period and the Northern and Morning era, based on Numata River flowing through Mihara-shi (formerly Numata). 小早川 reference. Ooita-ken Usa-shi Iwasaki (formerly Sadahira) is a geographical name with a record in the North and the North.