Portrait of a Lady, traditionally identified as Margaret, Lady Lexington, three-quarter-length, seated, in an orange dress with a blue cape, in a wooded landscape

Margaret, Lady Lexington, was the daughter and heiress of Sir Giles Hungerford of Coulston, Wiltshire. She married Robert, 2nd Baron Lexington (1661-1723), in 1691. Their son, William George, died prematurely in 1715, aged 15. Bridget, their second daughter, married, John Manners, Marquis of Granby, later 3rd Duke of Rutland, in 1734 and was mother to the famous Marquis of Granby. On Bridget, Duchess of Rutland's death in 1717 her second son, Lord Robert Manners, in accordance with the will of his maternal grandfather, assumed the name of Sutton and succeeded to the Lexington Estates.