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.
John the Evangelist author names (and therefore is not claiming to be) Peter, and that James was martyred as early as 44 AD (Acts 12:2) it has been widely believed that the author either was the Apostle John or was pretending to be. Christian tradition says that John the Evangelist was John the Apostle. The Apostle John was a historical figure, one of the "pillars" of the Jerusalem church after Jesus' death. He was one of the original twelve apostles and is thought to be the only one to have lived into old age and not be killed for his faith. Some believe