Etymology and distribution of 不知.

Fuchi 【不知】^{レベル3
About 120}  The Japanese surnames etymology dictionary.

Kagoshima-ken , Yamanashi-ken , Toukyou-to .

① Creation . From the favorable letters "Cheap", "From". From the ancestry of the gate division system which was in the Edo period. An example of the location of the gate. Kagoshima-ken Shibushi-shi Ariake Town Nogami, Miyazaki-ken Miyakonojou-shi Shigeta- machi.

② There is 安富 surname. Yamanashi-ken Tsuru-shi was in the Edo period. Fukui-ken Obama-shi The inside of the castle was in the Edo period in the Clan Omi of the Clan office. Tell the same clan that Toukyou - to Hachiouji - shi is out. Okayama-ken Okayama-shi Ashiko was in the Edo period in the Ashigara clan of the clan office. The same samurai also had Ansei surname in the Edo period. 安富 Yasutomi reference.