In 1571 he was made a noble and on July 1, 1574AD his Chapter elected him bishop. As bishop he tried to keep a good relationship with Protestants and allow for freedom of religion in the principality. On the other hand, at the Synod in 1580. Adopted the provisions of the Council of Trent. Martin Gerstmann died 23 June 1585AD In Neisse and was buried in the church of St. James in Nysa.
References
^Mandziuk J., Historia Kościoła katolickiego na Śląsku, t. 2, Warszawa 1995, s. 69-70.