Altmann of Passau (1015–1091)
Born 1015 CE, died 1091 CE.
Altmann (c. 1015 – 8 August 1091) was the Bishop of Passau from 1065 until his death. He was an important representative of the Gregorian reforms, monastic founder and reformer. He is venerated as a saint, but not officially canonised.
Text from the Wikipedia article Altmann_(bishop_of_Passau), licensed CC BY-SA 4.0.