Etymology and distribution of グエン.

Guen* 【グエン】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Tokushima-ken Anan-shi , Hokkaidou . Estimated from red dew. Tokushima-ken Anan-shi Kuwano was in the Edo era in Nakano. Tell him that he was engaged in agriculture in the same area.