 The monastery also contains a museum with a collection of Gothic and Baroque sculpture and a gallery of paintings, including fifteen panel paintings by Rueland Frueauf from 1505, four Passion paintings from the backside of the Verduner Altar from 1331, and the Babenberg genealogical tree.During the Investiture Controversy in the early twelfth century, Margrave Leopold III of Babenberg sided with the Papacy against Emperor Henry IV.In 1106, the emperor's son, Emperor Henry V, who sided with the Papacy against his father, rewarded Leopold's loyalty by offering him his sister Agnes' hand in marriage, in recognition of his services.