According to the mainstream press, our Queen is a distant Muslim:
http://www.dailymail.co.uk/news/article-5587555/Historians-trace-Queens-heritage-Prophet-Muhammad.html
https://www.jihadwatch.org/2018/04/historians-discover-that-queen-elizabeth-is-related-to-muhammad
The point has been reached where we simply have to saw: bs to these sorts of reports. The scientific validity of some link to Muhammad is impossible to establish, as there is no existing DNA, and most of the alleged historical links are pure speculation. Nevertheless, the reports serve the propaganda strategy of eroding public resistance to Islamisation, which no doubt is the main goal:
https://www.amazon.com/Did-Muhammad-Exist-Inquiry-Obscure/dp/161017061X