Itayasu 【板保】レベル1
Very rare
The Japanese surnames etymology dictionary.
Chiba-ken Ooamishirasato-shi . There is an example of using a "valley" for a store of a shop name. Chiba-ken Ooamishirasato-shi Kitaizumi is based. 糸日 reference.
2020年 7月 5日 更新