>>18874930It's called midrash. Jews created cults and new gospels using older literature.
The "Son of God" who was oppressed and persecuted unjustly was literally a rhetorical device in wisdom of Solomon, not a prophecy.
https://www.kingjamesbibleonline.org/Wisdom-of-Solomon-Chapter-2/The jews also had other messianic cults expecting the "Son of Man" contemporarily to the christian church.
Which basically is the same as "Son of God", Son of Man meaning a god born in the human race. It all comes from jewish midrash cult-making.