鄭桓 字叔蔭。年三十一歲。生於廣東香山。已婚。遊美。入麻省農業學校。光緖三十四年。得學士學位。回國。宣統元年以還。供職農商部。永久通信處。天津太古洋行轉。
Cheng, H.-Born in Hsiangshan, Kwangtung, 1886. Married. B.S., Massachusatts Agricultural College, 1908. Member, Ministry of Agriculture and Commerce, 1909-12 and 1914-16.
