Etymology and distribution of 地齊.

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

Okayama-ken Okayama-shi Kita-ku. A variant of 河本 . Okayama-ken Okayama-shi In Edo era in Kita-ku Okayama-shi Edo era, I told that officials mistookly approved when applied in the curriculum at the Meiji New surname in the surname of Kawamoto. Distributed to the same place. 河本 Kawamoto reference.