The appocryphal gospel of James is not a sacred book. Some say it is a litany to men, particularly of ancient times when a break with protocol could mean sharia law, and women were considered possessions rather than equals.
Joseph, father of Jesus, is documented to be an Essene, part of a holy order, they are believed to have been descendants of king David. Essenes were allowed to marry in order to further the line, but were expected to wait three years in order to get to know their betrothed and ensure she was of the right character.
James, thought to be the younger brother of Jesus was an early Christian but appeared to differ from Saint Paul on various points. He was known to be a socialist and he wanted to incorporate Christianity into Judaism, the religion of the time. Paul was reportedly a Roman citizen with certain benefits. According to the biblical account he was won around by the movement. He at first persecuted as called believers of the way, as the early Christians were perceived. On converting he changed his name from Saul.
According to documentation, Paul’s father was a pharisee. Pharisees may have had both Greek and Roman connections. They may have inter-married with Greeks during the Greek empire. There are two indications that this happened as a phenomena. One was a policy, thought to be of Alexander the great. Greek soldiers were to settle in Israel and marry Israeli girls. The other indication, a more specific detail according to the biblical account. The daughter of an Israeli high priest and administrator married a high born Greek. The father in law then appeared to take over administration, the high priest disappearing from the dialogue: Intermarriage as a political policy may have resulted in different issues for the children. Paul wanted to start again with a new faith.