Etymology and distribution of 寺段.

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

Iwate-ken Oushuu-shi , Hokkaidou . Iwate-ken Oushuu-shi Maezawa was in the Edo era for his mother. In the same place I will tell Shiga-ken 's descendant of Genji. 源 Minamoto reference.