Etymology and distribution of 讚井.

Sanai 【讚井】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Mie-ken , Wakayama-ken , Miyazaki-ken . 鈴木 surname available. 鈴木 Suzuki reference.

※ Korean type . There is a record of naturalization on Kanagawa-ken Kawasaki-shi on October 2, 1963. The real name is money. 金 Kon reference.

※ Korean type . It was Toukyou-to Minato-ku and was in Commuter name in 1980. The real name is Yoon. 尹 In reference.