" They may now be adults but it is still their mother whose name is being tarnished."
I fail to see how her name is being tarnished,more importantly it gives a hindsight to how thinks work in certain circles.
Whilst i believe it probably was a tragic accident, things have come out that would be found more often than not in fiction books/films.
ie, A women who moved in such high circles,had a strong fear of prince philip, and what he could possibly do to her.
That is very worrying,and as no one has come forward to prove she was off her rocker,then it should be taken as read......
And lets not forget her brother,and what he thought of the royals.