Etymology and distribution of 二面.

Futaomote 【二面】^{レベル2
About 10}  The Japanese surnames etymology dictionary.

Kumamoto-ken , Kagoshima-ken , Hokkaidou .

① 森島 surname is given. Kumamoto-ken Kamimashiki-gun Mashiki-machi is based in Yasunaga.

② Topography . "Island" was added to Mamoru, the surname of the Kamoshima-ken Amami archipelago. Estimated at the time of returning to Japan in 1953. 守 Mori reference.