Etymology and distribution of 根方.

Negata 【根方】^{レベル3
About 90}  The Japanese surnames etymology dictionary.

Hiroshima-ken Fukuyama-shi , Toyama-ken Toyama-shi . Terrain . From the boy and the slope. Hiroshima-ken Fukuyama-shi Akasaka cho Koji Hayato is headquartered. Toyama-ken There is a record in the Muromachi period in Kuwayama castle which was in Nanto-shi Kawanishi. Estimated by Toyama-ken Nanto-shi Another name of Mr. Takasaka (Kousaka) with a record in the age of warring States. 高坂 Kousaka reference.