Bishop of Salisbury who helped compile the Domesday Book. A member of the Norman nobility, he was the son of Count Henry of Seez and Isabella, half-sister of King William the Conqueror of England. He took part in the Norman Conquest and served Williamas his chancellor. In 1078, he was appointed bishop of Salisbury, completing the cathedral there and founding a cathedral chapter of canons regular and school for clerics. Osmund also assisted the king in assembling the massive census which became the Domesday Book. In the dispute over investiture between King William II and St. Anselm of Canterbury, Osmund initially sided with the king, but later he admitted he had made a mistake, and he begged Anselm's forgiveness. Osmund also collected manuscripts for the cathedral library, was a copier and binder of books, authored a life of St. Aldhelm, and was thought to be responsible for drawing up the books governing the liturgical matters for the diocese such as the Mass and Divine Office, the so called Sarum Use. Canonized in 1457 by Pope Callistus III, he was the last English person to be declared a saint until the canonization of Sts. Thomas More and John Fisher in 1935.