Ambrose Congreve
Unknown - 1904(Notes: You may have to scroll down or right to see chart.)
| John Congreve Abt 1872-Aft 1904 |
| John Congreve | |
| B: | Abt 1872 |
| D: | Aft 1904 |
Lady Helena Blanche Irene Ponsonby 1878-1962 |
| Lady Helena Blanche Irene Ponsonby | |
| B: | 1878 |
| D: | 1962 |
| Ambrose Congreve Unknown-1872-1904 |
| Ambrose Congreve | |
| B: | Unknown |
| D: | 1872-1904 |