Etymology and distribution of 鮫渕.

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

Miyagi-ken Ishinomaki-shi . A variant of 菅又 . Miyagi - ken Ishinomaki - shi is based in Suida. Tell them that they are groundbreaking in the same place. 菅又 Sugamata reference.