Margaret Georgiana Poyntz was born 27 April 1737 Midgham House in Midgham, Berkshire, England, United Kingdom to Stephen Poyntz (1685-1750) and Anna Maria Mordaunt (1712-1771) and died 18 March 1814 St Albans, Hertfordshire, England, United Kingdom of unspecified causes. She married John Spencer, 1st Earl Spencer (1734-1783) 20 December 1755 in Althorp, Northamptonshire, England, United Kingdom.


Offspring of John Spencer, 1st Earl Spencer (1734-1783) and Margaret Georgiana Poyntz
Name Birth Death Joined with
Georgiana Spencer (1757-1806) 7 June 1757 Althorp, Northamptonshire 30 March 1806 Devonshire House, Westminster, England William Cavendish, 5th Duke of Devonshire (1748-1811)
Charles Grey, 2nd Earl Grey (1764-1845)
George John Spencer, 2nd Earl Spencer (1758-1834) 1 September 1758 Wimbledon Park, Surrey, England, United Kingdom 10 November 1834 Althorp, England, United Kingdom Lavinia Bingham (1762-1831)
Henrietta Frances Spencer (1761-1821) 16 June 1761 Wimbledon, England, United Kingdom 11 November 1821 Florence, Italy Frederick Ponsonby, 3rd Earl of Bessborough (1758-1844)
Granville Leveson-Gower, 1st Earl Granville (1773-1846)
Charlotte Spencer (1765-1766)
Louisa Spencer (1769-1769)

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