Elizabeth Conyngham, Marchioness Conyngham British noble, mistress of King George IV (1769–1861) Parents Elizabeth Butler Joseph Denison Children Albert Denison, 1st Baron Londesborough Francis Conyngham, 2nd Marquess Conyngham Lady Maria Harriet Conyngham Henry Joseph Conyngham, Earl of Mount Charles Lady Elizabeth Henrietta Conyngham Siblings William Joseph Denison Anna Maria Denison Partners George IV of the United Kingdom Henry Conyngham, 1st Marquess Conyngham
