Lady Mary Fox Lady Mary Fox Lady Mary Fox (née FitzClarence; 19 December 1798 – 13 July 1864) was an illegitimate daughter of King William IV of the United Kingdom by his mistress Dorothea Jordan. In later life she became a writer. Mary FitzClarence was born in Bushy House as the fourth child and second daughter of the then Prince William, Duke of Clarence, and his companion Dorothea Jordan. She was "a fine looking, brown girl with a pleasant countenance and manners". In 1820, her younger sister Elizabeth was courted by Charles Richard Fox, the eldest but illegitimate son of Lord and Lady
Royal mistress marriages were alleged. Hence the Monmouth Rebellion when James Scott, 1st Duke of Monmouth claimed the thrones of England and Scotland on the grounds that his mother had been the wife, rather than a mistress, of Charles II. Royal mistress A royal mistress is the historical position of a mistress to a monarch or an heir apparent. Some mistresses have had considerable power; such mistresses have sometimes been referred to as the "power behind the throne". The prevalence of the institution can be attributed to the fact that royal marriages were until recent times conducted solely on the basis of