1722 - 1785 (63 years)
| Joseph Underwood |  | | B: | 1722 | | P: | London Grove, Chester, Pennsylvania, USA | | D: | 18 May 1785 | | P: | Warrington, York, Pennsylvania, USA |
| | Alexander Underwood | | | B: | 1688 | | P: | Anne Arundel County, Maryland, USA | | M: | 1706 | | P: | New Castle, Delaware, Pennsylvania, USA | | D: | 31 Oct 1767 | | P: | York County, Pennsylvania, USA |
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| Jane | | | B: | 1687 | | P: | Chester County, Pennsylvania, USA | | D: | 25 Apr 1743 | | P: | Chester County, Pennsylvania, USA |
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