Lady Mary Mackenzie Peerage person ID=231677 (1730–1788) Parents Isabel Gordon George Mackenzie, 3rd Earl of Cromartie Children Henrietta Middleton Rutledge Hester Middleton Williams Middleton Siblings John Mackenzie, Lord MacLeod George Mackenzie Augusta Mackenzie William Mackenzie Lady Caroline Mackenzie Lady Anne Mackenzie Lady Margaret Mackenzie Lady Isabella Mackenzie Partners John Ainslie Thomas Drayton unknown Clarke Henry Middleton