Robert Darcy, 4th Earl of Holderness,, known before 1721 as Lord Darcy and Conyers, was a British diplomat and politician who served as Secretary of State for the Northern Department from 1754 to 1761
George II at the Battle of Dettingen by John Wootton, 1743. Holderness is shown with George II and the Duke of Cumberland
Mary Darcy, Countess of Holderness, formerly Mary Doublet, was the wife of Robert Darcy, 4th Earl of Holderness.
Mary, Countess of Holderness by Jean-Étienne Liotard, 1745
