Etymology and distribution of 十六澤.

Izasawa 【十六澤】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Yamaguchi-ken , Ibaraki-ken , Tochigi-ken . 伊勢 family name is present. In Kyouto-fu Kyouto-shi I met Joruri Taio in the Edo period. Saitama-ken Fukaya-shi Nakase (formerly Ise-jima) was a place name with a record since the Edo period. 伊勢 Ise reference.