William Cavendish, 2nd. Duke of Devonshire KG PC
(Notes: You may have to scroll down or right to see chart.)
| Lady Catherine Ponsonby |
| Lady Catherine Ponsonby | |
| B: | 14 Oct 1742 |
| D: | 4 Sep 1789 |
| Aubrey Beauclerk, 5th. Duke of St. Albans | |
| B: | 3 Jun 1740 |
| D: | 9 Feb 1802 |
| Lady Charlotte Ponsonby |
| Lady Charlotte Ponsonby | |
| B: | Abt 1750 |
| D: | 13 May 1822 |
| William Fitzwilliam, 4th. Earl Fitzwilliam | |
| B: | 30 May 1748 |
| Milton House, Peterborough, Northamptonshire, England | |
| D: | 8 Feb 1833 |
| Milton House, Peterborough, Northamptonshire, England | |
| Frederick Ponsonby, 3rd. Earl of Bessborough | |
| B: | 24 Jan 1758 |
| Bessborough, Ireland | |
| D: | 3 Feb 1844 |
| Lady Henrietta Frances Spencer |
| Lady Henrietta Frances Spencer | |
| B: | 16 Jun 1761 |
| Althorp Manor, Brington, Northamptonshire, England | |
| D: | 11 Nov 1821 |
| Italy | |
| Caroline Cavendish |
| Caroline Cavendish | |
| B: | 22 May 1719 |
| D: | 20 Jan 1760 |
| William Ponsonby, 2nd. Earl of Bessborough | |
| B: | 1704 |
| D: | 11 Mar 1793 |
| William Cavendish, 5th. Duke of Devonshire, KG | |
| B: | 14 Dec 1748 |
| D: | 29 Jul 1811 |
| Devonshire House, Piccadilly, Middlesex, England | |
| Lady Georgiana Spencer, Duchess of Devonshire | |
| B: | 7 Jun 1757 |
| Althorp Manor, Brington, Northamptonshire, England | |
| D: | 30 Mar 1806 |
| Devonshire House, Piccadilly, Middlesex, England | |
| George Augustus Henry Cavendish, 1st. Earl of Burlington | |
| B: | 31 Mar 1754 |
| Derbyshire, England | |
| D: | 4 May 1834 |
| Piccadilly, Middlesex, England | |
| Lady Elizabeth Compton |
| Lady Elizabeth Compton | |
| B: | 25 Jun 1760 |
| Compton Wynyats, Warwickshire, England | |
| D: | 7 Apr 1835 |
| Eastbourne, Sussex, England | |
| William Cavendish, 4th. Duke of Devonshire KG PC | |
| B: | 8 May 1720 |
| D: | 2 Oct 1764 |
| Spa, Holland | |
| Lady Charlotte Elizabeth Boyle, 6th. Baroness Clifford | |
| B: | 27 Oct 1731 |
| D: | 8 Dec 1754 |
| Uppingham, Rutland, England | |
| William Brabazon Ponsonby, 1st. Baron Ponsonby of Imokilly | |
| B: | 15 Sep 1744 |
| Dublin, County Dublin, Ireland | |
| D: | 5 Nov 1806 |
| London, England | |
| Hon. Louisa Molesworth |
| Hon. Louisa Molesworth | |
| B: | 23 Oct 1749 |
| Dublin, County Dublin, Ireland | |
| D: | 1 Sep 1824 |
| Wentworth, Yorkshire, England | |
| Rt. Hon. George Ponsonby |
| Rt. Hon. George Ponsonby | |
| B: | 5 Mar 1755 |
| D: | 8 Jul 1817 |
| Mayfair, Westminster, Middlesex, England | |
| Mary Butler |
| Mary Butler | |
| B: | Unknown |
| D: | Aft 1780 |
| John Ponsonby |
| John Ponsonby | |
| B: | Unknown |
| D: | Unknown |
| Richard Ponsonby |
| Richard Ponsonby | |
| B: | Unknown |
| D: | Unknown |
| Frederick Ponsonby |
| Frederick Ponsonby | |
| B: | Unknown |
| D: | Unknown |
| Catherine Ponsonby |
| Catherine Ponsonby | |
| B: | Unknown |
| D: | Unknown |
| Richard Boyle, 2nd. Earl of Shannon |
| Richard Boyle, 2nd. Earl of Shannon | |
| B: | Unknown |
| D: | Unknown |
| Frances Ponsonby |
| Frances Ponsonby | |
| B: | Unknown |
| D: | Unknown |
| Cornelius O'Callaghan, 1st. Earl of Lismore |
| Cornelius O'Callaghan, 1st. Earl of Lismore | |
| B: | Unknown |
| D: | Unknown |
| Charlotte Ponsonby |
| Charlotte Ponsonby | |
| B: | Unknown |
| D: | Unknown |
| Rt. Hon. Denis Bowes Daly |
| Rt. Hon. Denis Bowes Daly | |
| B: | Unknown |
| D: | Unknown |
| Henrietta Ponsonby |
| Henrietta Ponsonby | |
| B: | Unknown |
| D: | Unknown |
| Lady Elizabeth Cavendish |
| Lady Elizabeth Cavendish | |
| B: | 1723 |
| D: | 1796 |
| Rt. Hon. John Ponsonby |
| Rt. Hon. John Ponsonby | |
| B: | 29 Mar 1713 |
| D: | 12 Dec 1789 |
| William Cavendish, 3rd.Duke of Devonshire KG PC | |
| B: | 26 Sep 1698 |
| Bakewell, Derbyshire, England | |
| D: | 5 Dec 1755 |
| City of London, London, England | |
| Katherine Hoskyns |
| Katherine Hoskyns | |
| B: | 1698 |
| D: | 8 May 1777 |
|
| William Cavendish, 2nd. Duke of Devonshire KG PC | |
| B: | 1673 |
| D: | 4 Jun 1729 |
| Hon. Rachel Russell |
| Hon. Rachel Russell | |
| B: | 1674 |
| D: | 1725 |
