Ookawa 【大川】6 The Japanese surnames etymology dictionary.
Hiroshima-ken , Yamaguchi-ken . Terrain . From the side of the offing. Hiroshima-ken Hiroshima-shi Naka Ward Kamachi was a clan san in Hiroshima, Kouchi-ken Shimanto-shi Nakamura Marunouchi was in the Edo period in the clan of Tosa Nakamura of the Clan Office. In the end of Yamaguchi-ken Kudamatsu-shi, in the middle of the Edo period, it is written as "Aomoto" and it tells that it made Oki family name at the end of the Edo period. 澳本 reference. Good neighbor . Hiroshima-ken Kure-shi Makihari, Mamori-machi, Yamaguchi-ken Hikari-shi Distributed in Asawa.