Soya 【曾矢】1 The Japanese surnames etymology dictionary.
Tochigi-ken , Fukushima-ken , Kanagawa-ken . Terrain . Tochigi - ken Nasukarasuyama - shi Tochigi - ken Nasukarasuyama - shi Mr. Nasu of Karasuyama Castle, who was in Shiroyama, tells us that he said "to bind the people of Hara". Estimated in the Warring States Period. Tochigi-ken Nasukarasuyama-shi Shiroyama was the Osan samurai of the Clan government office, Fukushima-ken Aidzuwakamatsu-shi Ochiai cho was in the Edo period in the Aizu samurai of the clan government office.