Etymology and distribution of 七郎丸.

Shichiroumaru 【七郎丸】^{レベル2
About 20}  The Japanese surnames etymology dictionary.

Hiroshima-ken , Ibaraki-ken , Toukyou-to . Variant of 妹尾 . In Tottori-ken Yonago-shi Miyoshi Oosaka-fu Southwest (formerly Izumi-kuni) came out of Yamaguchi-ken Shimonoseki-shi and fought in Dannoura, 1185 years (2 years old and 4 years old) Tell him that Mr. Seo of the Heike who defeated returned home. Ibaraki-ken Mito-shi Sannomaru was in the Edo period in the Mito samurai of the Clan office. 妹尾 Senoo reference.