Humphrey St John-Mildmay (1794-1853) (1794–1853) Parents Jane Mildmay Sir Henry St John-Mildmay, 3rd Baronet Children Humphrey St John-Mildmay Lucy St. John-Mildmay Siblings Walter St. John-Mildmay George William St. John-Mildmay John Francis St. John-Mildmay Maria St. John-Mildmay Sir Henry St John-Mildmay, 4th Baronet Carew St. John Mildmay Judith St John-Mildmay Paulet St. John Mildmay Jane St. John-Mildmay Edward St. John-Mildmay Partners Marianne Harcourt Vernon Anne Eugenia Baring