Family: Thomas Newcomen / Elizabeth Ponsonby (F4433)
m. Aft 1699William Ponsonby, 1st. Viscount Duncannon (1659-1724) 
|
Mary Moore (1662-1713)
|
Brabazon Ponsonby, 1st. Earl of Bessborough (1679-1758)  |
| Dorothy Ponsonby ( -1725) |
| Major-General Henry Ponsonby ( -1745) |
| Capt. Folliott Ponsonby (1682-1746) |
| Anne Ponsonby ( -1710) |
| Letitia Ponsonby (1701-1723) |
| Elizabeth Ponsonby ( -1700)
|
| Thomas Newcomen ( -1725) |