Lady Mary Acheson (1809-1850) (1809–1850) Parents Mary Sparrow Archibald Acheson, 2nd Earl of Gosford Children Isabella Hewitt Evelyn John Hewitt Anne Eliza Hewitt Mary Anne Hewitt Edward Hewitt Cornwallis Charles Hewitt James Wilfrid Hewitt, 5th Viscount Lifford Archibald Robert Hewitt, 6th Viscount Lifford Siblings Lady Millicent Acheson Archibald Acheson, 3rd Earl of Gosford Olivia Acheson Partners James Hewitt, 4th Viscount Lifford