| Rt. Hon. John Brabazon Ponsonby, 1st Viscount, 2nd Baron | |
| B: | 1770 |
| Bessborough, Kilkenny, Ireland | |
| D: | 21 Feb 1855 |
| Brighton, Sussex, England | |
| Lady Elizabeth Frances Villiers |
| Lady Elizabeth Frances Villiers | |
| B: | 15 Apr 1786 |
| Middleton Stoney, Oxfordshire, England | |
| M: | 13 Jan 1803 |
| D: | 14 Apr 1866 |
| 62 Chester Square, London, England | |
| William Brabazon Ponsonby, 4th Baron Ponsonby of Imokilly | |
| B: | 18 August 1807 |
| D: | 10 Sept 1866 |
| Unknown |
| William Brabazon Ponsonby, 4th Baron Ponsonby of Imokilly | |
| B: | 18 August 1807 |
| D: | 10 Sept 1866 |
| Rt. Rev. Richard Ponsonby |
| Rt. Rev. Richard Ponsonby | |
| B: | 1772 |
| Youghalpark, Ardagh, Cork, barony of Imokilly, Munster ( Youghal ) Ireland | |
| D: | 27 Oct 1853 |
| Londonderry | |
| Major General Hon Sir William Ponsonby |
| Major General Hon Sir William Ponsonby | |
| B: | 13 Oct 1772 |
| Co, Kilkenny, Ireland | |
| D: | 18 Jun 1815 |
| KIA Battle of Waterloo, Belgium | |
| Georgiana Fitzroy | |
| M: | 20 Jan 1807 |
| Old Church,Saint Pancras,London,England | |
| George Ponsonby |
| George Ponsonby | |
| B: | 1814 |
| Robert Wentworth Ponsonby |
| Robert Wentworth Ponsonby | |
| B: | 19 Mar 1814 |
| Woolbeding, Sussex, England | |
| D: | 28 Sep 1840 |
| St George Hanover Square, London | |
| Diana Harriet Louisa Ponsonby |
| Diana Harriet Louisa Ponsonby | |
| B: | Aug 1815 |
| St George Lynn, London, England | |
| D: | 2 Nov 1893 |
| Midhurst, Sussex, England | |
| George Ponsonby |
| George Ponsonby | |
| B: | 1774 |
| Imokilly, Cork, Ireland | |
| D: | 5 Jun 1863 |
| Woolbeding, Sussex, England | |
| Diana Juliana Margaretta Bouverie |
| Diana Juliana Margaretta Bouverie | |
| B: | 19 Sep 1786 |
| Delapre, Northamptonshire, England | |
| M: | 11 Jun 1812 |
| St George Hanover Square, England | |
| D: | 28 Apr 1873 |
| Woolbeding, Midhurst, Sussex, England | |
| William Gledstanes Ponsonby |
| William Gledstanes Ponsonby | |
| B: | 1808 |
| Dublin, Ireland | |
| D: | 11 Jul 1841 |
| Kensington, Middlesex, England | |
| Sarah Gledstanes |
| Sarah Gledstanes | |
| B: | Annsgift, Tipperary, Ireland |
| M: | 7 Apr 1807 |
| D: | 18 Jul 1808 |
| Mary Elizabeth Ponsonby |
| Mary Elizabeth Ponsonby | |
| B: | 03 Mar 1775 |
| 4 Mar 1776 DIFFERENT Holy Trinity, Whitehaven, Cumberland, England | |
| D: | 26 Nov 1861 |
| London, England | |
| Frederick Ponsonby |
| Frederick Ponsonby | |
| B: | Abt 1776 |
| D: | 26 Jun 1849 |
| Ireland | |
| William Brabazon Ponsonby |
| William Brabazon Ponsonby | |
| B: | 15 September 1744 |
| Co, Kilkenny, Ireland | |
| D: | 5 November 1806 |
| London, London, England | |
| Louisa Molesworth |
| Louisa Molesworth | |
| B: | 23 Oct 1749 |
| Dublin, Ireland | |
| M: | 14 Dec 1769 |
| St. Anne, Dublin, County Dublin, Ireland | |
| D: | 1 Sep 1824 |
| Fitzwiliam Vault, Marholm, Peterborough. England | |
| Catherine Henrietta Boyle |
| Catherine Henrietta Boyle | |
| B: | 12 Jan 1768 |
| D: | 8 Jul 1815 |
| Castle Bernard, Near Bandon, County Cork, Ireland | |
| Henry Boyle |
| Henry Boyle | |
| B: | 8 Aug 1771 |
| D: | 22 Apr 1842 |
| Catherine Ponsonby |
| Catherine Ponsonby | |
| B: | 02 Apr 1746 |
| Co, Kilkenny, Ireland | |
| D: | 30 Jan 1827 |
| Richard Boyle, 2nd Earl of Shannon |
| Richard Boyle, 2nd Earl of Shannon | |
| B: | 30 Jan 1727 |
| Limerick, Ireland | |
| M: | 15 Dec 1763 |
| D: | 20 May 1807 |
| Mogeely, Co Cork, Munster, Ireland | |
| John Ponsonby |
| John Ponsonby | |
| B: | 24 Dec 1748 |
| D: | 9 Aug 1761 |
| George Ponsonby |
| George Ponsonby | |
| B: | 04 Mar 1755 |
| D: | 8 Jul 1817 |
| London, London, England | |
| Cornelius O'Callaghan |
| Cornelius O'Callaghan | |
| B: | 1809 |
| D: | 16 Aug 1849 |
| William Frederick O'Callaghan |
| William Frederick O'Callaghan | |
| B: | 1810 |
| D: | 1836 |
| George Ponsonby O'Callaghan, 2nd Viscount Lismore | |
| B: | 16 Mar 1815 |
| D: | 29 Oct 1898 |
| Folkestone, Kent, England | |
| Mary Norbury (maid. name Viscountess Lismore) | |
| B: | 1820 |
| M: | 25 Jul 1839 |
| D: | 15 Apr 1900 |
| 31 Old Burlington Street, London, England | |
| Anne Maria Louisa O'Callaghan |
| Anne Maria Louisa O'Callaghan | |
| B: | Abt. 1817 |
| D: | 23 Feb 1887 |
| Cornelius Viscount Lismore O'Callaghan |
| Cornelius Viscount Lismore O'Callaghan | |
| B: | 2 Oct 1775 |
| Shanbally, Tipperary, Ireland | |
| D: | 30 May 1857 |
| Dublin, Dublin, Ireland | |
| Eleanor Butler |
| Eleanor Butler | |
| M: | 11 Aug 1808 |
| D: | Oct 1859 |
| Robert William OCallaghan |
| Robert William OCallaghan | |
| B: | Oct 1777 |
| Shanbally, , Tipperary, Ireland | |
| D: | 9 June 1849 |
| London, England | |
| Louisa O'Callaghan |
| Louisa O'Callaghan | |
| B: | 5 Aug 1779 |
| Shanbally, , Tipperary, Ireland | |
| D: | 18 Apr 1863 |
| Chislehurst, Kent, , England | |
| Elizabeth OCallaghan |
| Elizabeth OCallaghan | |
| B: | 1783 |
| Shanbally, Co Tipperary, Munster, Ireland | |
| D: | 18 Aug 1824 |
| George OCallaghan |
| George OCallaghan | |
| B: | 9 Sept 1787 |
| Shanbally, , Tipperary, Ireland | |
| D: | 13 March 1856 |
| Frances Ponsonby |
| Frances Ponsonby | |
| B: | 18 Feb 1757 |
| Kilkenny, Ireland | |
| D: | 25 Mar 1827 |
| Tunbridge Wells, Kent, England | |
| Cornelius OCallaghan, 1st Baron Lismore |
| Cornelius OCallaghan, 1st Baron Lismore | |
| B: | 07 Jan 1740 |
| Shanbally, Tipperary, Ireland | |
| M: | 13 Dec 1774 |
| D: | 12 Jul 1797 |
| Lismore Manor, Lismore, Co. Laois, Leinster, Ireland | |
| Richard Ponsonby |
| Richard Ponsonby | |
| B: | 17 Jul 1758 |
| Caroline Ponsonby |
| Caroline Ponsonby | |
| B: | 28 Dec 1759 |
| D: | 1768 |
| Charlotte Ponsonby |
| Charlotte Ponsonby | |
| B: | 22 Dec 1761 |
| D: | 27 Aug 1781 |
| Paris, Paris, Ile-de-France, France | |
| Frederick Ponsonby |
| Frederick Ponsonby | |
| B: | 18 Mar 1763 |
| Bessborough, Ballymackey, Tipperary, Barony of Upper Ormond, Munster (Nenagh) Ireland | |
| D: | 28 Jul 1769 |
|
| John Ponsonby |
| John Ponsonby | |
| B: | 29 March 1713 |
| Leinster, Kilkenny, Ireland | |
| D: | 12 December 1789 |
| Kilkenny, Ireland | |
| Elizabeth Cavendish |
| Elizabeth Cavendish | |
| B: | 24 Apr 1723 |
| Welbeck, Nottinghamshire, England | |
| M: | 22 Sep 1743 |
| Derby, Derbyshire, England | |
| D: | Abt 1795 |
| Westminster, London, England | |