Etymology and distribution of 呼延.

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

Hokkaidou , Kanagawa-ken , Aomori-ken . 佐々木 There is surname. Aomori-ken Nishitsugaru-gun Fukaura-machi Iwasaki Matsubara (Matsubara) is a place name of unknown record era. It is distributed in the same place. 佐々木 Sasaki reference.