Mary Stuart, Countess of Bute British noble (1718–1794) (1718–1794) Parents Mary Wortley Montagu Sir Edward Wortley Montagu Children John Stuart, 1st Marquess of Bute Anne Stuart Jane Stuart James Stuart-Wortley-Mackenzie Frederick Stuart William Stuart Louisa Stuart Charles Stuart Lady Augusta Corbett Lady Caroline Stuart Lady Mary Stuart Siblings Edward Wortley Montagu Partners John Stuart, 3rd Earl of Bute
