Elizabeth Hungerford Keate mother of James Smithson (the founding donor of the Smithsonian Institution); Peerage person ID=438255 (1728–1800) Parents Penelope Fleming John Hungerford Keate Children Henry Louis Dickinson James Smithson Siblings Lumley Hungerford Keate Henrietta Maria Keate Partners Hugh Percy, 1st Duke of Northumberland John Marshe Dickinson John Macie