Etymology and distribution of 川新.

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

Oosaka-fu , Mie-ken , Nara-ken . Terrain . From the place that draws kudzu and water. Mie-ken Tsu-shi Distributed in Kabasu- cho Baba.

Baekje system ※. There was a case in Osaka-fu Eastern (formerly Kawachi-kuni) who gave a surname of Fujii Ren in the year 720 (4 years of retirement). Kuzui also expressed it as "Fujii". Oosaka - fu Fujiidera - shi Fujii - ji Temple Kuzuji (Fujiidera) tells that it was founded in 725 (Kamiko 2 years). 藤井 Fujii reference.