John I (bishop of Jerusalem) John I (bishop of Jerusalem) John I of Jerusalem was the seventh Bishop of Jerusalem. He was, according to Eusebius, a Jewish Christian born to Jewish parents who kept the Law of the Torah. According to universal tradition, John I replaced the first bishop of Jerusalem Saint James the Just, the ""brother of the Lord,"" who was appointed bishop by the Apostles Peter, St. James (whom Eusebius identifies as James, son of Zebedee) and John. John was well versed in the Law of Moses and as a young man disputed with Christians until he converted with the instruction of St.
Church of the Holy Apostles four sides of which were terminated by porticos which enclosed the area and the church itself. Adjoining these porticos were ranges of stately chambers, with baths and promenades, and besides many apartments adapted to the use of those who had charge of the place. The cruciform plan was a landmark development in Christian architecture, because it replaced a basilica plan with the centralized shrine plan. Dozens of cruciform church buildings in the late fourth and early fifth centuries were rough imitations of the Constantine-era Church of the Holy Apostles, such as St. Ambrose's Church of the Apostles in Milan, the