John, the author of the Gospel of John, was the son of Zebedee and Salome and brother of James. Both John and James were disciples of Jesus. Inspired by God, John shared both the divine and human nature of Jesus; stating, before the creation of the world there was the Word and in time the Word became flesh, in the form of Jesus. For additional information read https://www.whatchristianswanttoknow.com/john-the-apostle-bible-biography-facts-and-death/