Kumaga 【熊賀】1 The Japanese surnames etymology dictionary.
① Aichi-ken Nukata-gun Kouta-chou Birth of high power. A place name with a record since the Muromachi period. Yamagata-ken Tsuruoka-shi Baba-cho was in the Edo era in the Shonai Shrine in the Clan office.
② Creation . 強力 variant. Tottori-ken Touhaku-gun Kotoura-chou Takaoka is based. In the same place, I told from the strong (Gowuliki) surname given from Emperor Godaigo which is the emperor of the Kamakura period · North and South morning era by lifting the rock and discovering the spring water. 強力 reference.