He who usefully turned up at Edward's deathbed to hear him revoke his earlier decision for the crown of England to pass to Duke William.
If that was all Harold had to go to the Witan with, then he must have had a very persuasive tongue, or a lot of friends on the council.
Harold's only connection to the House of Wessex was a sister's marriage, and the other candidate, Edgar, was from a fractured royal line, and too young at the time.
Edward's wish to give the realm to someone who could manage it, William, was a piece of wisdom, was it not?
Check out the Bayeaux tapestry and the heritage lines of the House of Wessex to see what I mean.
Then check out William's queen, Matilda goes back to Alfred the Great and Charles the Great, (Charlemagne)beat that one Harold.