Koukawa 【交河】レベル1
Very rare
The Japanese surnames etymology dictionary.
Nagasaki-ken Gotou-shi , Fukuoka-ken , Yamaguchi-ken . Terrain . In Yamaguchi-ken , saying that Nagasaki-ken 's sake had many Sakai surnames, he added "side" as Sakai as "border". 酒井 reference.
2021年 2月 18日 更新