[German Version]

(1040/1050, Asti – Jul 18, 1123, Segni, near Rome) was educated in the monastery of St. Perpetua near Asti and studied in Bologna. In 1073, he became a canon of the cathedral at Siena. In 1079, he debated with Berengar of Tours in Rome; shortly thereafter he was elected bishop of Segni. Under Gregory VII and his successors, he was one of the most influential members of the curia. In 1103, he entered the abbey of Monte Cassino and in 1107 became its abbot. Initially, he retained his ecclesiastical offices, but after ¶ the Investiture Controversy (1111) he withdrew from churc…