So 【蘇】レベル3
About 300
The Japanese surnames etymology dictionary.
Nagasaki-ken Minamishimabara-shi . Creation . From a smart old man. Nagasaki-ken Minamishimabara-shi Meiji New surname by Monk of Yushin-ji Temple in Soto sect in Konitsuzu town. In the same temple tells that the shogunist was Kodama. 児玉 reference.