c.965-1025. Bishop and canonist. Of a noble Hesse family, he entered the service of Archbishop Willigis of Mainz, and was ordained. Appointed bishop of Worms in 1000, he built new churches, reconstructed the cathedral, and disciplined the clergy. He took a leading part in ecclesiastical reform in Germany. Between 1007 and 1014 he compiled his Decretum, an influential collection of canon law, and between 1023 and 1025 promulgated a celebrated body of laws known as the Leges et statuta familiae S. Peter Wormatiensis.