Etymology and distribution of 洞派.

Touha 【洞派】^{レベル2
About 10}  The Japanese surnames etymology dictionary.

Aichi-ken .

① Aichi-ken Kitashitara-gun Shitara-chou Mitobashi is based. The place is the origin. He said that he was engaged in agriculture and forestry in the same area. Estimated in the Edo period.

② Korean type . 羽渓 's variant. Kanagawa-ken Yokohama-shi There is a record of naturalization on November 5, 1957 in Minami-ku. Liu is a real name. 劉 Ryuu reference. 羽渓 Hatani reference.