Etymology and distribution of 三軒.

Sangen 【三軒】^{レベル3
About 200}  The Japanese surnames etymology dictionary.

Hyougo-ken , Aichi-ken , Toukyou-to . Nagano-ken Kiso-gun Ookuwa-mura Origin of Suwara. A place name with a record since the Warring States Period. Shizuoka-ken Kakegawa-shi Kakegawa was in the Edo era in the Kakegawa clan, Toukyou-to Edogawa-ku Kitakinozaki of the Clan Office. 栖原 Surname.

* Mie-ken Originated from SUBARA in Deguchi-gun. Period, location unknown.

Minoki 【三軒】^{レベル3
About 200}  The Japanese surnames etymology dictionary.

三軒サンゲン参照。