Etymology and distribution of 上三.

Uemi 【上三】^{レベル2
About 20}  The Japanese surnames etymology dictionary.

Hyougo-ken , Yamagata-ken . Distribution including Maoshi too.

① Hyougo-ken Awaji-shi Originated from under the horse of Yanagisawa.

② Origin of Niigata-ken Gosen-shi Maison (Maohsi). A place name with a record since the Warring States Period. It was in the Azuchi Momoyama period in Niigata-ken . Yamagata-ken Yonezawa-shi Marunouchi was in the Edo period in the clan of the Yonezawa clan in the clan office.