Biography
Georgiana Carolina Carteret was born 12 March 1716 in Lansdown, Gloucestershire, England, United Kingdom to John Carteret, 2nd Earl Granville (1690-1763) and Frances Worsley (1694-1743) and died 8 May 1780 of unspecified causes. She married John Spencer (1708-1746) 14 February 1734 . She married William Cowper, 2nd Earl Cowper (1709-1764) 1 May 1750 .
Children
| Name | Birth | Death | Joined with |
| John Spencer, 1st Earl Spencer (1734-1783) | 19 December 1734 Althorp, Northamptonshire, England, United Kingdom | 31 August 1783 Bath, Somerset, England, United Kingdom | Margaret Georgiana Poyntz (1737-1814) |
| Diana Spencer (1735-1743) | |||