Etymology and distribution of 榮澤.

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

Hokkaidou · Chiba-ken . Korean type . There is a record of naturalization on Toukyou-to Edogawa-ku on August 25, 1962. No mention of real name. There is equipment in Korean people's surname. 具 Gu reference.