Amelia Osborne, Marchioness of Carmarthen British noble (1754–1784) Parents Mary Darcy, Countess of Holderness Robert Darcy, 4th Earl of Holderness Children Francis Osborne, 1st Baron Godolphin Mary Pelham, Countess of Chichester Augusta Leigh George Osborne, 6th Duke of Leeds Siblings Thomas Darcy, Lord Darcy and Conyers George Darcy, Lord Darcy and Conyers Partners Francis Osborne, 5th Duke of Leeds John Byron
