John the Apostle [12] (Ancient Greek: Ἰωάννης; Latin: Ioannes; [13] c. 6 AD – c. 100 AD), also known as Saint John the Beloved and, in Eastern Orthodox Christianity, Saint John the Theologian, [14] was one of the Twelve Apostles of Jesus according to the New Testament.Generally listed as the youngest apostle, he was the son of Zebedee and Salome.