Well if Sang Real is the criterion then it is a moot point if Prince Harry is (or isn't) on the preset day list (now demoted to 4th?) - according to some observers of hair colour (et al).

And where would that put Prince Andrew? - according to the same observers.

Didn't they find the bones of young children in the walls of the "Tower" within the last 5 years or so? Where was the DNA analysis then?