Hugh Percy, 2nd Duke of Northumberland British Army general (1742-1817) (1742–1817) Parents Elizabeth Percy, Duchess of Northumberland Hugh Percy, 1st Duke of Northumberland Children Emily Percy Hugh Percy, 3rd Duke of Northumberland Lady Agnes Percy Algernon Percy, 4th Duke of Northumberland Lady Elizabeth Percy Lord Henry Percy Siblings James Smithson Algernon Percy, 1st Earl of Beverley Lady Elizabeth Percy Henry Louis Dickinson Dorothy Percy Philadelphia Percy Partners Frances Percy, Duchess of Northumberland Anne Stuart
