MaleGeorge Spencer, 4th Duke of Marlborough |
| Birth | 26 Jan 1739 | England |
| Death | 29 Jan 1817 | Blenheim Palace, Woodstock, Oxfordshire, England |
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| Marriage | ||
| Father | Charles Spencer, 3rd Duke of Marlborough | F1408 Group Sheet | |
| Mother | The Hon. Elizabeth Trevor | F1408 Group Sheet | |
MaleGeorge Spencer-Churchill, 5th Duke of Marlborough |
| Birth | 6 Mar 1766 | England |
| Death | 5 March 1840 | Blenheim Palace, Woodstock, Oxfordshire, England |
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| Spouse | Lady Susan Stewart | F53 | |
| Marriage | ||