KLDeWitt Genealogy Research Project
Our Family's Journey Through Time from Europe and Canada to the US

| George Spencer, 4th Duke of Marlborough Marquess of Blandford KG PC FRS | |
| B: | 26 Jan 1739 |
| D: | 29 Jan 1817 |
| Blenheim Palace, Woodstock, Oxfordshire, England | |
| Caroline Russell, Lady Duchess of Marlborough | |
| B: | 13 Jan 1743 |
| D: | 26 Nov 1811 |
| Charles Spencer, 3rd Duke of Marlborough Earl of Sunderland KG PC Lord Privy Seal | |
| B: | 22 Nov 1706 |
| D: | 20 Oct 1758 |
| Elizabeth Trevor, Honourable Duchess of Marlborough Countess of Sunderland | |
| B: | Abt 1713 |
| D: | 1761 |
| John Spencer, 1st Earl Spencer Viscount Althorp MP for Warwick High Steward of St Albans | |
| B: | 19 Dec 1734 |
| Althorp, Northamptonshire, England | |
| D: | 31 Oct 1783 |
| Bath, Somerset, England | |
| Margaret Georgiana Poyntz, Countess Spencer | |
| B: | 8 May 1737 |
| D: | 18 Mar 1814 |
| John Spencer, Honourable |
| John Spencer, Honourable | |
| B: | 13 May 1708 |
| D: | 19 Jun 1746 |
| Charles Spencer, 3rd Earl of Sunderland KG PC Lord Spencer Lord Lieutenant of Ireland | |
| B: | 23 Apr 1675 |
| D: | 19 Apr 1722 |
| London, England | |
| Anne Churchill, Lady Countess of Sunderland | |
| B: | 1683 |
| D: | 1716 |
| Robert Spencer, 2nd Earl of Sunderland KG PC | |
| B: | 5 Sep 1641 |
| Paris, France | |
| D: | 28 Sep 1702 |
| Althorp, Northamptonshire, England | |
We make every effort to document our research. If you have something you would like to add, please contact us.