Elizabeth (of Devonshire) Cavendish
- Yes, date unknownDrag or scroll to see more of the chart.
 | John (of Imokilly) 2nd Baron Ponsonby Abt 1770-Yes, date unknown |
| John (of Imokilly) 2nd Baron Ponsonby | |
| B: | Abt 1770 |
| D: | Yes, date unknown |
| William Brabazon (of Imokilly) 1st Baron Ponsonby | |
| B: | 15 Sep 1744 |
| D: | 5 Nov 1806 |
| Louisa Molesworth -Yes, date unknown |
| Louisa Molesworth | |
| M: | 26 Dec 1769 |
| D: | Yes, date unknown |
| Cornelius (1st Viscount Lismore) O'callaghan 1775-Yes, date unknown |
| Cornelius (1st Viscount Lismore) O'callaghan | |
| B: | 2 Oct 1775 |
| D: | Yes, date unknown |
| George Henry Compton Cavendish -Yes, date unknown |
| George Henry Compton Cavendish | |
| D: | Yes, date unknown |
| Louisa Lascelles 1813-1886 |
| Louisa Lascelles | |
| B: | 1813 |
| M: | 4 Jul 1835 |
| D: | 10 Mar 1886 |
| Louisa O'callaghan -1863 |
| Louisa O'callaghan | |
| D: | 18 Apr 1863 |
| William Cavendish, MP 1783-1812 |
| William Cavendish, MP | |
| B: | 10 Jan 1783 |
| D: | 14 Jan 1812 |
| Frances Ponsonby 1757-Yes, date unknown |
| Frances Ponsonby | |
| B: | 18 Feb 1757 |
| D: | Yes, date unknown |
| Cornelius (1st Baron Lismore Shanbally) O'callaghan | |
| B: | 7 Jan 1740 |
| M: | 25 May 1827 |
| D: | 12 Jul 1797 |
|
| Elizabeth (of Devonshire) Cavendish -Yes, date unknown |
| Elizabeth (of Devonshire) Cavendish | |
| D: | Yes, date unknown |
| John (Rt Hon) Ponsonby -1789 |
| John (Rt Hon) Ponsonby | |
| D: | 12 Dec 1789 |