Etymology and distribution of 染郷.

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

Toukyou-to . Sina system . 鄭 's variant. From the similar sound of Tay which is Zheng 's Japanese sound. There is a record of naturalization on Toukyou-to Minato-ku on October 22, 1991. Zheng the real name. 鄭 Tei reference.