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Björn Kern
Nationality Germany
Age 44
Purple belt in Jiu-Jitsu
Competed on Abu Dhabi Jiu Jitsu Pro
Purple belt
Competed as purple belt on Abu Dhabi Jiu Jitsu Pro
Blue belt
Achieved
2016, December 17th
Promoted by Peter Angerer
Competed as blue belt on Abu Dhabi Jiu Jitsu Pro
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