Etymology and distribution of 妹原.

Sehara 【妹原】^{レベル2
About 10}  The Japanese surnames etymology dictionary.

Miyazaki-ken . Fukuoka-ken Yukuhashi-shi Originated from Kamitsukuma (Tsumuguma), Nakatsuguma · Shimotsu Bika (old: Tsumuguma (Tsunokuma)). A place name with a record since the Kamakura period. The place name was also written as "Tsunumuma". Miyazaki-ken Nobeoka-shi Higashi Higashi Higashi Honmoko was in the Edo period in the Nobeoka clan of the clan government.