Complex sentence: His place of burial became a focus of pilgrimage and veneration in the Middle Ages, and his body was translated from Rome to Siena around 1058 at the request of Bishop Antifredus.
Split into simpler sentences: His place of burial became a focus of pilgrimage and veneration in the Middle Ages. His body was translated from Rome to Siena around 1058 at the request of Bishop Antifredus.