William CAVENDISH, 2nd Duke of Devonshire
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 | Lady Catherine PONSONBY 1742-1789 |
| Lady Catherine PONSONBY | |
| B: | 14 Oct 1742 |
| D: | 4 Sep 1789 |
| Aubrey BEAUCLERK, 5th Duke of St. Albans 1740-1802 |
| Aubrey BEAUCLERK, 5th Duke of St. Albans | |
| B: | 3 Jun 1740 |
| M: | 4 May 1763 |
| D: | 9 Feb 1802 |
| Lady Charlotte PONSONBY 1747- |
| Lady Charlotte PONSONBY | |
| B: | 1747 |
| Frederick PONSONBY, 3rd Earl of Bessborough | |
| B: | 24 Jan 1758 |
| Marylebone, London, England | |
| D: | 3 Feb 1844 |
| Canford House, Dorset, England | |
| Lady Henrietta SPENCER, Countess of Bessborough | |
| B: | 16 Jun 1761 |
| Wimbledon, Surrey, England | |
| M: | 27 Nov 1780 |
| D: | 11 Nov 1821 |
| Florence, Tuscany, Italy | |
| Lady Caroline CAVENDISH, Countess of Bessborough | |
| B: | 22 May 1719 |
| D: | 20 Jan 1760 |
| William PONSONBY, 2nd Earl of Bessborough | |
| B: | 1704 |
| M: | 5 Jul 1739 |
| D: | 11 Mar 1793 |
| William CAVENDISH, 5th Duke of Devonshire, 7th Baron Clifford | |
| B: | 14 Dec 1748 |
| D: | 29 Jul 1811 |
| Lady Georgiana SPENCER, Duchess of Devonshire | |
| B: | 7 Jun 1757 |
| Althorp, Northamptonshire, England, 52.281120,-1.001653 | |
| M: | 7 Jun 1774 |
| St. Mary's Church, Wimbledon Parish, London, England | |
| D: | 30 Mar 1806 |
| Devonshire House, Westminster, England | |
| Lady Elizabeth HERVEY, Duchess of Devonshire | |
| B: | 13 May 1758 |
| Horringer, Suffolk, England | |
| M: | 1809 |
| the parish church, Whimbledon Park, Greater London, England | |
| D: | 30 Mar 1824 |
| Rome, Papal States | |
| Dorothy CAVENDISH, Duchess of Portland 1750-1794 |
| Dorothy CAVENDISH, Duchess of Portland | |
| B: | 27 Aug 1750 |
| D: | 3 Jun 1794 |
| London, England | |
| William Henry CAVENDISH-BENTINCK, 3rd Duke of Portland | |
| B: | 14 Apr 1738 |
| Bultrode Park, Buckinghamshire, England | |
| M: | 8 Nov 1766 |
| D: | 30 Oct 1809 |
| Burlington House, Westminster, London, England | |
| Lord Richard CAVENDISH 1752-1781 |
| Lord Richard CAVENDISH | |
| B: | 19 Jun 1752 |
| D: | 7 Sep 1781 |
| Naples, Italy | |
| Lord George Augustus Henry CAVENDISH, 1st Earl of Burlington | |
| B: | 31 Mar 1754 |
| D: | 9 May 1834 |
| Burlington House, Westminster, London, England | |
| Lady Elizabeth COMPTON | |
| M: | 27 Feb 1782 |
| London, England | |
| William CAVENDISH, Marquess of Hartington, later 4th Duke of Devonshire, Prime Minister of Great Britain | |
| B: | 8 May 1720 |
| St. Martin's-in-the-Fields, London, England | |
| D: | 2 Oct 1764 |
| Spa, Austrian Netherlands | |
| Lady Charlotte Elizabeth BOYLE, Marchioness of Hartington, 6th Baroness Clifford | |
| B: | 27 Oct 1731 |
| M: | 28 Mar 1748 |
| D: | 8 Dec 1754 |
| Uppingham, Rutland, England | |
| Lord George Augustus CAVENDISH Abt 1727-1794 |
| Lord George Augustus CAVENDISH | |
| B: | Abt 1727 |
| London, England | |
| D: | 2 May 1794 |
| Lady Elizabeth CAVENDISH Bef 1727-1796 |
| Lady Elizabeth CAVENDISH | |
| B: | Bef 1727 |
| D: | 1796 |
| John PONSONBY 1713-1787 |
| John PONSONBY | |
| B: | 29 Mar 1713 |
| M: | 1743 |
| D: | 16 Aug 1787 |
| Lady Mary WALPOLE Abt 1757- |
| Lady Mary WALPOLE | |
| B: | Abt 1757 |
| Thomas HUSSEY, 19th Baron Galtrim | |
| M: | 4 Aug 1777 |
| the Honourable George WALPOLE 1758-1835 |
| the Honourable George WALPOLE | |
| B: | 20 Jun 1758 |
| D: | May 1835 |
| Lady Rachel CAVENDISH 1727-1805 |
| Lady Rachel CAVENDISH | |
| B: | 7 Jun 1727 |
| D: | 8 May 1805 |
| Horatio WALPOLE, 1st Earl of Orford 1723-1809 |
| Horatio WALPOLE, 1st Earl of Orford | |
| B: | 12 Jun 1723 |
| M: | 12 May 1748 |
| D: | 24 Feb 1809 |
| Field Marshal Lord Frederick CAVENDISH 1729-1803 |
| Field Marshal Lord Frederick CAVENDISH | |
| B: | Aug 1729 |
| D: | 21 Oct 1803 |
| at home, Twickenham Park, south-west London, England | |
| Lord John CAVENDISH 1732-1796 |
| Lord John CAVENDISH | |
| B: | 22 Oct 1732 |
| D: | 18 Dec 1796 |
| William CAVENDISH, 3rd Duke of Devonshire | |
| B: | 26 Sep 1698 |
| D: | 5 Dec 1755 |
| Catherine HOSKINS, Duchess of Devonshire 1700-1777 |
| Catherine HOSKINS, Duchess of Devonshire | |
| B: | 1700 |
| M: | 27 Mar 1718 |
| D: | 8 May 1777 |
| Paris, France | |