Wilhelmina Powlett, Duchess of Cleveland English historian and genealogist (1819–1901) Parents Catherine Lucy Smith Philip Henry Stanhope, 4th Earl Stanhope Children Everard Henry Primrose Constance Wyndham, Baroness Leconfield Archibald Primrose, 5th Earl of Rosebery Lady Mary Hope Siblings Philip Stanhope, 5th Earl Stanhope Partners Harry Powlett, 4th Duke of Cleveland Archibald Primrose, Lord Dalmeny
