Unknown Thornycroft
- Yes, date unknownDrag or scroll to see more of the chart.
 | Unknown Thornycroft -Yes, date unknown |
| Unknown Thornycroft | |
| D: | Yes, date unknown |
 | Isaac Doughty Abt 1733-1803 |
| Isaac Doughty | |
| B: | Abt 1733 |
| , Long Island, New York, United States | |
| M: | Yes, date unknown |
| D: | 1803 |
| , Long Island, New York, United States | |