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
English and British royal mistress but his wife and Queen Henrietta Maria of France. Neither Mary II nor Anne had any physical relationships outside of marriage, although Anne had intense emotional attachments to first Sarah Churchill, Duchess of Marlborough and then her cousin Abigail Masham, Baroness Masham, both of whom became politically important. William III, the husband and co-ruler of Mary II, was presumed to have had one mistress, Elizabeth Villiers. George I had divorced his wife Sophia Dorothea of Celle 20 years before his accession to the British throne, and thus brought with him to the Kingdom of Great Britain his long-established mistress: Ehrengard