| Birth |
18 Feb 1757 |
Kilkenny, Ireland |
| Died |
25 Mar 1827 |
Tunbridge Wells, Kent, England |
| |
| Father |
John Ponsonby, b. 29 March 1713, Leinster, Kilkenny, Ireland |
| Relationship |
natural |
| Mother |
Elizabeth Cavendish, b. 24 Apr 1723, Welbeck, Nottinghamshire, England |
| Relationship |
natural |
| Married |
22 Sep 1743 |
Derby, Derbyshire, England |
| |
| Family |
Cornelius OCallaghan, 1st Baron Lismore, b. 07 Jan 1740, Shanbally, Tipperary, Ireland |
| Married |
13 Dec 1774 |
| Children |
| + | 1. Cornelius Viscount Lismore O'Callaghan, b. 2 Oct 1775, Shanbally, Tipperary, Ireland |
| | 2. Robert William OCallaghan, b. Oct 1777, Shanbally, , Tipperary, Ireland |
| | 3. Louisa O'Callaghan, b. 5 Aug 1779, Shanbally, , Tipperary, Ireland |
| | 4. Elizabeth OCallaghan, b. 1783, Shanbally, Co Tipperary, Munster, Ireland |
| | 5. George OCallaghan, b. 9 Sept 1787, Shanbally, , Tipperary, Ireland |
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