Francis Mackenzie, 1st Baron Seaforth British Army general (1754–1815) Parents Mary Humberston William Mackenzie Children Frances Mackenzie unknown daughter Mackenzie Mary Elizabeth Frederica Mackenzie unknown daughter Mackenzie unknown daughter Mackenzie unknown daughter Mackenzie William Frederick Mackenzie Helen Mackenzie, Lady Mackenzie Francis John Mackenzie George Leveson Boucherat Mackenzie William Mackenzie Siblings Thomas Frederick Mackenzie Humberston Helen Mackenzie Partners Mary Proby
