I don’t know why the media is always so surprised by things like this. Maybe surprise sells more papers than admitting, “Yeah, we sorta knew this already.”
http://www.telegraph.co.uk/news/uknews/scotland/10608807/Half-of-all-the-men-in-Britain-with-surname-Stewart-descended-from-royalty.html//cdn.embedly.com/widgets/platform.js