Etymology and distribution of 幸冨.

Koutomi 【幸冨】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Yamaguchi-ken Shuunan-shi , Kouchi-ken Kounan-shi . There is Sadahiro in the name of the man. Yamaguchi-ken Shuunan-shi Kano Shimo, Kouchi-ken Kounan-shi Noichi-cho Shimoi is based. Ishikawa-ken Suzu-shi Wakayamachi Hiroshi is the origin. Tell him that he is the descendant of Heijutsu, the principal of the Heian period. 平 Taira reference.