Caroline Graham, Duchess of Montrose British noble (1770–1847) Parents Elizabeth Montagu, Duchess of Manchester George Montagu, 4th Duke of Manchester Children Lady Caroline Graham James Graham, 4th Duke of Montrose Lord Montagu Graham Georgiana Finch-Hatton, Countess of Winchilsea Lucy Herbert, Countess of Powis Emily Foley Siblings Lady Emily Montagu Lord Frederick Montagu Lord George Montagu William Montagu, 5th Duke of Manchester Lady Ana Marie Montagu Partners James Graham, 3rd Duke of Montrose