Etymology and distribution of 久根口.

Kuneguchi 【久根口】^{レベル3
About 200}  The Japanese surnames etymology dictionary.

Yamanashi-ken . Tell him that Mr. Fujiwara's descendant was called in Yamanashi-ken western (formerly Kuma-gun). Estimated in the Kamakura period. 藤原 Fujiwara reference. Yamanashi-ken Hokuto-shi Sudamachi There is a waist volume in Fujita's small letter. Yamanashi-ken Hokuto-shi Nagasaka Town Nakamaru waist volume is a place name unknown in the record era. In Yamanashi-ken Nirasaki-shi it is said that it was described as "Koshimaku" during the Warring States Period. It is unknown whether Koshimaki will exist. Yamanashi-ken Hokuto-shi Akino-machi It was in the Edo period well.