Etymology and distribution of 下枡.

Shimomasu 【下枡】^{レベル2
About 30}  The Japanese surnames etymology dictionary.

Gifu-ken Gujou-shi . Gifu - ken Gujou - shi Maki Yamato - cho is based. Tell him that he is the descendant of Genji. 源 Minamoto reference. Estimated from tradition lives from the age of warring States.