Saint John IV called the Peacemaker or the Serene is known in Italian as Giovanni d’Acquarola or Giovanni Scriba. He was the Bishop of Naples from 26 February 842 until his death on December 17, 849. He is one of the patron saints of Naples where his feast day is celebrated on June 22. St. John had the relics of Aspren translated to the church of Santa Restituta in Naples. He also assisted Duke Andrew II in negotiating an economic treaty called the Pactum Sicardi with Sicard, the Lombard Prince of Benevento. He is generally regarded as a Father of the Church, being one of very last so considered. - bio by Dr. Italy.