Etymology and distribution of 定川.

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

Hiroshima-ken , Wakayama-ken , Oosaka-fu .

① Convention . Synthesis of Takao and Kakuta. Hiroshima-ken Fukuyama-shi Shinchicho Shrine In the Kibitsu Shrine of Kamakura period in Shinchicho Shrine, Sakurayama Shitoshi self-edged in 1332 (Yoshihisa Yoshihiro and Motohiro 2 years) Tell him that he called it from Mr. Kakuta's "fence" that he was raising. 高尾 Takao reference. 垣田 Kakita reference.

② Abstract . It stands for Itagaki. In Wakayama-ken Arida-gun Aridagawa-chou tells that Mr. Itagaki from Yamanashi-ken arrived in the warring States era and left "fence". 板垣 Itagaki reference.

③ variant of 高柿 .