Etymology and distribution of 津輪元.

Tsuwamoto 【津輪元】^{レベル2
About 20}  The Japanese surnames etymology dictionary.

Miyazaki-ken Higashimorokata-gun Kunitomi-chou . Terrain . From the horse and the garden. In Miyazaki-ken telling that the priestess of Ochiai surname was renowned as a master of the horse horse of the event which bow-shooting while running with horses from 1624 to 1644 (Kanaya year). 落合 Ochiai reference.