During my reading of some "behind the scenes" articles about the new adaptation of Bridgerton, the show runner says in working with historians he learned that Queen Charlotte was of "mixed race." However they don't expand on this or give any sources. I wanted to ask about this statement - what is known about the Queen's ancestry, and how much of any nonwhite heritage would she or her husband, courtiers, or society at large have known about during her lifetime? If it was generally known, did it affect any aspects of her life or rule?

This is the article btw: https://collider.com/bridgerton-interview-chris-van-dusen-race-sex-season-2-netflix/