Niwa 【新輪】レベル1
Very rare
The Japanese surnames etymology dictionary.
正垣 reference.
2023年 3月 27日 更新
Fukuoka-ken , Toukyou-to . Fukuoka-ken Itoshima-shi It was in Shima Sakurai during the Edo period. It says that there was a designation of "Urashima Mamoru Oji pilgrim" in the same place. There is "Fu" in the ura. 浦島 reference.
Niiwa 【新輪】レベル1
Very rare are referenced.