 He was provided to the bishopric upon the resignation of his cousin by Pope Pius II at the Apostolic see on 11 December 1461.He had been consecrated by 21 July 1462, when he rendered an oath of fealty at Copenhagen to Christian I, King of Denmark, Norway and Sweden.In 1468 he was one of the ambassadors responsible for organising the marriage between King James III of Scotland and Margaret of Denmark, the daughter of King Christian.