Family: Field Marshall George Hay, 8th. Marquess of Tweeddale / Lady Susan Montagu (F2485)
m. 28 Mar 1816William Montagu, 5th. Duke of Manchester (1771-1843) |
Lady Susan Gordon (1774-1828) 
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George Montagu, 6th. Duke of Manchester (1799-1855)  |
| Lady Susan Montagu (1797-1870)
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| Lady Susan Georgiana Hay (1817-1853) |