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
Dorothea of Saxony to Henry Julius Dorothea had one daughter: Dorothea of Saxony Dorothea of Saxony (; 4 October 1563 in Dresden – 13 February 1587 in Wolfenbüttel) was a Saxon princess from the House of Wettin and by marriage Duchess of Brunswick-Wolfenbüttel. Dorothea was born 4 October 1563, the daughter of the Elector Augustus of Saxony (1526-1586) and his wife Anna (1532-1585), daughter of King Christian III of Denmark. Of the four 15 children from the marriage of her parents, only four survived their father; Dorothea among them. On 26 September 1585 in Wolfenbüttel, the twenty-two-year-old Dorothea married the future Duke Henry