Etymology and distribution of 砂小原.

Sunakohara 【砂小原】^{レベル3
About 50}  The Japanese surnames etymology dictionary.

Gunma-ken Tomioka-shi , Saitama-ken , Toukyou-to . Gunma-ken Tomioka-shi Birth of Nakazawa. A place name with a record since the Edo period. Nagano-ken Chiisagata-gun Nagawa-machi I tell him that he came from Furuicho in 1553 (Astronomy 22) and added Nakazawa's " Tsuru " to Tsugane of the last name. 津金 Tsugane reference.