 At Cologne he became acquainted to the Dutch reformer Erasmus of Rotterdam, who after a brief stay at Paris and Orléans, found him a position at the University of Freiburg, where he graduated in 1522 with a doctorate in law.After some further Hebrew studies at the University of Padua at the age of 26 years, he returned to his native Duchy of Berg.Through Erasmus he gained a position as an educator with the dukes of Cleves at Wesel.