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Family name Chaojen (Chaojen ) , globally, is an extremely rare surname. Predominantly, Chaojen is the forename as well as the last name.
Чаожен, Чаожэнь, Чаойен, Шаожен, and 朝詹
Tu, Yu, Shi, Sun, Lin, Hsu, Chiu, Chen, Wang, Cheng, Tseng, and Huang