Etymology and distribution of 唯杉.

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

Hiroshima-ken . Hiroshima-ken Kure-shi Originated from Higaki inside of Gobara-machi. In the same place there is also a descendant of the fallen family of the Heike, and there is also a story that the place name comes from the surname. 平 Taira reference.