Ezoe 【江添】4 The Japanese surnames etymology dictionary.
Saitama-ken , Toukyou-to . Nagano-ken Nakano-shi Origin of Mitsuru Okumu. A place name with a record since the Kamakura period. Saitama-ken Kazo-shi Legend in the Omuro. Nagano - ken Suwa - shi Okuma in Honam 's lake is a stopover. A place name with a record since the Kamakura period.
※ Kagawa-ken Takamatsu-shi In Motoyama Town tells the descendant of Mr. Kumano who came from Wakayama-ken · Mie-ken South (formerly Kii) from the Kamakura period. There is "Bear" in Kumano. 熊野 reference.