Date of Birth: 
Place of Birth: Bucharest
About Ion Oncescu
- Ion Oncescu (born April 25, 1978 in Bucharest) is a professional Romanian armwrestler, a multiple time world and European champion for both the left and the right hand.
- He was inducted in March 2011 in the World's Hall of Fame "The 50 Greatest Armwrestlers In History".
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