William of Hirsau
German abbot and theologian

William of Hirsau (German: Wilhelm von Hirschau; c. 1030 – 5 July 1091) was a Benedictine abbot and monastic reformer. He was abbot of Hirsau Abbey, for whom he created the Constitutiones Hirsaugienses, based on the uses of Cluny, and was the father of the Hirsau Reforms, which influenced many Benedictine monasteries in Germany. He supported the papacy in the Investiture Controversy. In the Roman Catholic Church, he is a Blessed, the second of three steps toward recognition as a saint.
Early life
William was born in Bavaria, possibly in about 1030; nothing more is known of his origins. As a puer oblatus entrusted to the Benedictines he received his education as a monk in St. Emmeram's Abbey, a private church of the Bishop of Regensburg, where the famous Otloh of St. Emmeram was William's teacher. It is generally believed that it was here that William first became friends with Ulrich of Zell (later distinguished as a Cluniac reformer and a saint), a friendship which lasted to the end of his life. William combined personal asceticism with an amiability toward others.
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