Simon, brother of Jesus was a first-century figure from the Judea region mentioned in the New Testament. He is listed alongside James, Joses, and Judas as one of the brothers of Jesus in the Gospels of Matthew and Mark. While his exact biological relationship to Jesus is a subject of theological discussion, he is recognized in various Christian traditions. Some historical interpretations suggest he may have been a step-brother or a cousin, depending on the specific doctrine regarding the family of Mary.