Mikołaj Mściwy (d. 1526) was a Roman Catholic prelate who served as Auxiliary Bishop of Gniezno (1509–?)."Bishop Nicolaus Msczny" Catholic-Hierarchy.org. David M. Cheney. Retrieved July 2, 2016"Archdiocese of Gniezno" Catholic-Hierarchy.org. David M. Cheney. Retrieved March 27, 2016"Metropolitan Archdiocese of Gniezno" GCatholic.org. Gabriel Chow. Retrieved March 27, 2016
Biography On 1 Apr 1509, Nicolaus Msczny was appointed during the papacy of Pope Julius II as Auxiliary Bishop of Gniezno and Titular Bishop of Athyra. It is uncertain how long he served as Auxiliary Bishop of Gniezno. While bishop, he was the principal co-consecrator of Jakub von Salza, Bishop of Wrocław (1521).
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