Min Jeong (민정) is a Korean pop singer. She was a member of the non debuted yet girl group S THE ONE. She is also a former member of disbanded girl groups i-13, where she was known as Jin, and JQT.
- Stage Name: Min Jeong (민정)
- Former Stage Name: Jin (辰)
- Real Name: Park Min Jung (박민정)
- Nicknames: Sleepyhead, Umma
- Birthdate: February 3, 1990
- Education: Suwon University
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