Etymology and distribution of 川武當.

Kawamutou 【川武當】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Ibaraki-ken , Chiba-ken , Toyama-ken .

① Convention . A variant of 久保木 . Chiba-ken Katori-shi Distributed in Mishima.

② Topography . From recesses and trees. Toyama-ken Toyama-shi It was in the middle of the Edo period. It is distributed in Okayama-ken . Okayama-ken Souja-shi Kubomi is a place name with a record since the Edo period.

Kawantou 【川武當】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Miyazaki-ken Miyazaki-shi · Saitama-ken . 隈井 There surname.