Etymology and distribution of 伊勢ノ海.

Isenoumi 【伊勢ノ海】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Fukushima-ken , Ibaraki-ken . Fukushima-ken Yama-gun Nishiaidzu-machi In Takarazaka Daijaku Yashiki Nagakihira told that from 1865 to 1868 (Keio age ), Sudo surname changed to one do's surname and changed further. 須藤 Sudou reference.