Etymology and distribution of 蘇要.

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

Aichi-ken , Gifu-ken Gifu-shi , Toyama-ken Toyama-shi . Heterogeneity of the 恒川 . Hyougo-ken Tanba-shi Tell her that it was Tsunekawa's surname in Edo era in the ice top in the field. Aichi-ken Aisai-shi It was in the Edo period in Senji- machi. Toyama-ken Toyama-shi In Shinjo-machi tell her that she came to the era of Warring States.