Am I bovvered, he contributes to the injured Heroes tirelessly and the Sentebale project is very worthwhile yet another of his selfless pursuits, the list goes on.
He is a good human being and that's good enough for me, your parentage is something you cannot be held responsible for is it ?
As a matter of interest trials run would suggest that between 1/4 and a 1/3 of present adults are calling the wrong person Daddy - quite sobering..
The Queen will know the truth as all the "Royals" had DNA checks recently as there was some ongoing hereditary title issue.