Etymology and distribution of 小船内.

Obunai 【小船内】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Yamaguchi-ken . Summary . Synthesis of Katsuya (Choya) and Imazu (Imazu). Yamaguchi-ken Hagi-shi Horiuchi was in the Edo period in the Choshu clan of the clan office. Tradition of the same samurai. 勝屋 Katsuya reference. 今津 Imadzu reference.