Etymology and distribution of コジオ.

Kojio* 【コジオ】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Iwate-ken , Akita-ken , Gifu-ken . Last name including "Sawa", 藤原 surname. Iwate-ken Ninohe-shi Fukuoka is based. Iwate-ken Kitakami-shi was in the Edo period. Akita-ken Kitaakita-shi is based in Kidoishi. Tell him that he was engaged in agriculture in the same area. Estimated in the Edo period. Gifu - ken Oogaki - shi is based in Yokohama . I tell him that he was engaged in agriculture on the west side of Aichi-ken western part (formerly Owari government). Estimated in the Edo period. Crest is falling wisteria. 藤原 Fujiwara reference.