 During this period he also issued statutes to the medical faculty at the University of Montpellier (1220).While in Germany, Conrad was responsible for the declaration as a martyr of Engelbert II of Berg, Archbishop of Cologne, murdered on 7 November 1225.His pressure on the Holy Roman Emperor was aimed at containing Frederic II's increasing moslimisation as well as defending the interests of the Southern German nobility, of which he was a member.