Details
- First Name: Man Nga
- Family Name: Cheng
- Native name: 鄭文雅
- Also Known as: Olivia Cheng Man Nga, Chuma Cheng, Olivia Jeng, Cheng Man Nga, Cheng Wenya
- Nationality: Hong Konger
- Gender: Female
- Born: February 14, 1960
- Age: 66
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