Etymology and distribution of 長相.

Nagasou 【長相】^{レベル2
About 20}  The Japanese surnames etymology dictionary.

Hiroshima-ken , Yamaguchi-ken . 福間 's variant. Tell Yamaguchi-ken that you changed your name to Azuchi Momoyama period. 福間 Fukuma reference.

※ Kouchi-ken Kounan-shi Kagami Town Birth of Fukui. A place name with a record since the Kamakura period.