In 1515 he was named secretary of king Christian II of Denmark, and in 1518 he was promised the first priesthood available in Jutland.
He had the provost of Børglum Abbey expelled and his rights transferred to Niels Stygge, against the will of the Holy See.
[1] Under new king Frederick I of Denmark, Krumpen was credited for Sæby attaining market town rights in 1524,[4] and was named Niels Stygge's successor as provost in 1525, succeeding him in 1533.
Krumpen caused public scandal as he was living in sin with his relative Elsebeth Gyldenstjerne, despite the protestations of her husband Bonde Due Munk of Voergaard Castle in Vendsyssel.
[3] After Christian III won the Count's Feud in 1536, all Catholic bishops were dispossessed and jailed.