Lady Maria Harriet Conyngham (died 1843) (1810–1843) Parents Elizabeth Conyngham, Marchioness Conyngham Henry Conyngham, 1st Marquess Conyngham Children William Henry Marcus Somerville Elizabeth Jane Caulfeild, Countess of Charlemont Siblings Henry Joseph Conyngham, Earl of Mount Charles Lady Elizabeth Henrietta Conyngham Francis Conyngham, 2nd Marquess Conyngham Albert Denison, 1st Baron Londesborough Partners William Somerville, 1st Baron Athlumney
