Yes, the European royalty inter-married for many reasons - but mostly power!
On the subject of Harry’s “real” father, one would think DNA would end the discussion. I expect that has been done , but the Royal family will not release the results.
Charlie pretty much admitted that if the kid was a ginger it was Hewitt’s.
That kid knows he’s a bastard and hates the royals. That’s why he’s doing this shit.