Etymology and distribution of 寺氏.

Terauji 【寺氏】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Yamaguchi-ken , Fukuoka-ken · Aichi-ken . There is a surname including Qin's name, "Hole". Yamaguchi - ken Kumage - gun Hirao - chou There are distribution in Saga. 秦 Hata reference.