Family: John Spencer, 1st. Earl Spencer / Margaret Georgiana Poyntz (F2673)
m. 20 Dec 1755Stephen Poyntz, PC (1685-1750) 
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Anna Maria Mordaunt ( -1766)
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William Poyntz (1733-1809)  |
| John Spencer, 1st. Earl Spencer (1734-1783) |
| Margaret Georgiana Poyntz (1737-1814)
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| Lady Georgiana Spencer, Duchess of Devonshire (1757-1806) |
| George John Spencer, 2nd. Earl Spencer (1758-1834) |
| Lady Henrietta Frances Spencer (1761-1821) |