| 1. Benjamin Underwood |
 |
| B: |
1728 |
| P: |
London Grove, Chester, Pennsylvania, United States |
| D: |
18 December 1803 |
| P: |
Warrington, York, PA |
|
| 2. Alexander Underwood |
|
| B: |
1688 |
| P: |
Baltimore, Anne Arundel, Maryland, USA |
| M: |
1710 |
| P: |
New Castle, Delaware, Pennsylvania, United States |
| D: |
31 October 1767 |
| P: |
Warrington, York, Pennsylvania, USA |
|
| 4. Samuel Underwood |
|
| B: |
1656 |
| P: |
Severn, Anne Arundel County, Maryland, United States of America |
| M: |
1681 |
| P: |
New Castle, New Castle, Delaware, United States |
| D: |
1722 |
| P: |
Wilmington, New Castle, Delaware, United States |
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| 8. |
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1728 - 1803 (75 years)
