Etymology and distribution of 下平木.

Shimohiraki 【下平木】^{レベル2
About 10}  The Japanese surnames etymology dictionary.

Saitama-ken Kumagaya-shi . Terrain . From the housing and the forest. Saitama-ken Kumagaya-shi field is based. Saitama-ken Hiki-gun Namegawa-machi It was in the Edo era as a soil salt.