| Birth |
29 March 1713 |
Leinster, Kilkenny, Ireland |
| Died |
12 December 1789 |
Kilkenny, Ireland |
| |
| Father |
Brabazon (1st Earl of Besborough and Viscount duncannon) Ponsonby, b. 1685, Bessborough, Kilkenny, Ireland |
| Relationship |
natural |
| Mother |
Sarah Margetson, b. 1689, Fiddown, 5307, Ireland |
| Relationship |
natural |
| Married |
1704 |
Westminster, London, England |
| |
| Family |
Elizabeth Cavendish, b. 24 Apr 1723, Welbeck, Nottinghamshire, England |
| Married |
22 Sep 1743 |
Derby, Derbyshire, England |
| Children |
| + | 1. William Brabazon Ponsonby, b. 15 September 1744, Co, Kilkenny, Ireland |
| + | 2. Catherine Ponsonby, b. 02 Apr 1746, Co, Kilkenny, Ireland |
| | 3. John Ponsonby, b. 24 Dec 1748 |
| | 4. George Ponsonby, b. 04 Mar 1755 |
| + | 5. Frances Ponsonby, b. 18 Feb 1757, Kilkenny, Ireland |
| | 6. Richard Ponsonby, b. 17 Jul 1758 |
| | 7. Caroline Ponsonby, b. 28 Dec 1759 |
| | 8. Charlotte Ponsonby, b. 22 Dec 1761 |
| | 9. Frederick Ponsonby, b. 18 Mar 1763, Bessborough, Ballymackey, Tipperary, Barony of Upper Ormond, Munster (Nenagh) Ireland |
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