Etymology and distribution of 河沖.

Kawaoki 【河沖】^{レベル2
About 10}  The Japanese surnames etymology dictionary.

Toukyou-to Itabashi-ku . Korean type . Heterogeneity of 桐川 . Aichi-ken Nagoya-shi There was a record of naturalization on September 10, 1966, Toukyou-to Setagaya-ku in November 25, 1975 in Nishi -ku . A real name is a horse. 馬 Ba reference.