Etymology and distribution of 曾澤.

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

Hyougo-ken , Oosaka-fu . Niigata-ken Nakauonuma-gun Near Tsunan-machi (Old: Tsumari), a place name with a record in the Sengoku period since the North and the North. The place name was also written as "wife". Gunma-ken Takasaki-shi It was during the Warring States period as a vassal of Mr. Nagano who was the castle owner of Minowa castle in Minoucho cho.