She was the “Living Isis” the religion had many followers in Rome who might have rioted if she was marched in chains—best move was to do her in. Yes, she was of Greek Heritage—but, she spoke Copt (the language of Egypt) Worship Egyptian Gods, Dressed like an Egyptian, Gave jobs in her government to Egyptians. She was loved by the Egyptian People—So in all ways she was Egyptian and dreamed of blending Egyptian/Roman culture into a world empire—she almost did it too.
I think that she tried the front hole as she did with Iuli, as couple of brats resulted I think. His brat nephew probably thought, she was probably a cougar with the clap and had nothing to offer.