Etymology and distribution of 弐月.

Futatsuki 【弐月】^{レベル2
About 10}  The Japanese surnames etymology dictionary.

Hokkaidou · Kagoshima-ken Ooshima-gun Kikai-chou , Niigata-ken Nagaoka-shi .

① Topography . Added "Sawa" to Sakado which is a surname of Kagoshima-ken 's Amami archipelago. Estimated at the time of returning to Japan in 1953. 盛 Mori reference.

② There is 森沢 surname. Aomori-ken Hachinohe-shi In Nangoi Daiji Mamoruzawa, tell him that he was engaged in agriculture. Estimated in the Edo period.