Family: William Ponsonby, 1st. Viscount Duncannon / Mary Moore (F3481)
Sir John Ponsonby (1608-1678) 
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Elizabeth Folliott ( -1660)
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| Randal Moore ( -1663) |
| Lady Jane Brabazon ( -1663)
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| William Ponsonby, 1st. Viscount Duncannon (1659-1724)
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| Mary Moore (1662-1713)
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Brabazon Ponsonby, 1st. Earl of Bessborough (1679-1758)  |
| Dorothy Ponsonby ( -1725) |
| Major-General Henry Ponsonby ( -1745) |
| Capt. Folliott Ponsonby (1682-1746) |
| Elizabeth Ponsonby ( -1700) |
| Anne Ponsonby ( -1710) |
| Letitia Ponsonby (1701-1723) |