Ebata 【江帾】レベル1
Very rare
The Japanese surnames etymology dictionary.
岡城 reference.
2020年 2月 24日 更新
Shiga-ken , Hyougo-ken , Oosaka-fu . There is a surname including "Oka". Shiga-ken Higashioumi-shi Outer town, Hyougo-ken Amagasaki-shi Mukesusoso is based.
Ehata 【江帾】レベル1
Very rare are referenced.