Lieutenant-General Lord Frederick FitzClarence, GCH was a British Army officer and the third illegitimate son of King William IV by his mistress Dorothea Jordan. Wikipedia
Born: December 9, 1799, London, United Kingdom
Died: October 30, 1854 (age 54 years)
Children: William Fitz-Clarence and Augusta Fitz-Clarence
Parents: William IV and Dorothea Jordan
Great-grandparents: Princess Augusta of Saxe-Gotha, Frederick, Prince of Wales, Duke Charles Louis Frederick of Mecklenburg, and more
Partner: Lady Augusta Boyle (1821–)
Cousins