Whoops!
http://news.bbc.co.uk/1/hi/scotland/edinburgh_and_east/8413648.stm
I don't think it really matters as he is dead now anyway.
Tell that to all the makers of commemorative mugs and other gifts. 
I do admire the expert who says the weight of evidence is now against his original hypothesis.
No greater evidence exists, of being a gentleman and a scholar, than that style of concession.
And the whole thing makes me want to know more about Prince 'enry, ey?