As a vehement representative of the Catholic Church, he attempted to suppress the burgeoning Lutheran doctrines, but was unsuccessful in his attempts, which was also due to the tense situation between the council, citizens and cathedral chapter.

When troops from Lübeck under Marx Meyer Eutin attacked in connection with the Count's Feud at the end of May 1534, he fled to Hamburg, where he died a year later of poisoning.

His copy by Johannes de Imola: Lectura in tertium librum Decretalium, Venice: Bernardinus Stagninus 1500, which he had acquired in Rome in 1511, came to the Soviet Union as looted art after being evacuated during World War II and is now in the Tomsk University Library.

[7] From Heinrich Bockholt exist two portrait paintings from 1523/24 that Max J. Friedländer attributed to Jacob van Utrecht.

[8] One of them, which was in the Paris art trade in 1939, ended up in Hermann Göring's collection and was restituted to France after 1945.