Etymology and distribution of 土代川.

Doyogawa 【土代川】^{レベル2
About 30}  The Japanese surnames etymology dictionary.

Hyougo-ken , Hiroshima-ken , Toukyou-to .

① 春本 There surname. Oosaka-fu Oosaka-shi was in the Edo period.

② Korean type . There is a record of naturalization on Fukuoka-ken Kitakyuushuu-shi (former: Tobata City) on 30th March 1957. The real name is 卞. 卞 Ben reference.