that she was a divorcee would not have been a disqualification for her marriage to Herod---evenObviously. He married Herodias. That didn't stop Herodias from being irked with John.
if he had been an observant jew----which he was not. What he was----in the opinion of observant jews---NOT QUALIFIED to be a "ruler". Jews at that time did not like Roman appointees. <<< that is an historic fact, well documented (but not in the archives of the vatican)