Etymology and distribution of 弘川.

Hirokawa 【弘川】^{レベル3
About 300}  The Japanese surnames etymology dictionary.

Yamaguchi-ken , Kumamoto-ken , Miyazaki-ken .

① Convention . Abbreviation for Mohri. Fukuoka-ken Kitakyuushuu-shi in Kokura 1659 (Moshiharu 2 years) Mr. Mouri who came from Kyouto-fu Kyouto-shi Yamaguchi-ken Hagi-shi Horiuchi clarified Mr. Mori of the Choshu lord of the clan office Tells you that you added "Ei" after "守 protect". It was in the Edo period to the same clan. 守 Mori reference. 毛利 Mouri reference.

② Men's name has Morinaga. Tell Miyazaki-ken that Mr. Kisuwaki's descendant was called. Estimated in the Northern and Morning era. Miyazaki-ken Higashimorokata-gun Kunitomi-chou Morinaga (Morinaga) is a place name with a record in the notation of "Morinaga" in the Northern and Middle Era. 木脇 Kiwaki reference.