Etymology and distribution of 桓本.

Kakimoto 【桓本】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Fukui-ken , Saitama-ken , Toukyou-to . Fukui-ken Fukui-shi Major was in the Edo period in the Fukui clan of the clan office. The same clan also had Kanie surname in the Edo period. 蟹江 Kanie reference.