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 | Margaret U Underwood 1750- |
| Margaret U Underwood | |
| B: | Oct 1750 |
| Warrington, York, Pennsylvania, USA | |
| Sarah Underwood Thomas 1752-Abt 1811 |
| Sarah Underwood Thomas | |
| B: | 2 Feb 1752 |
| Warrington, Bucks, Pennsylvania, United States | |
| D: | Abt 1811 |
| Pennsylvania, United States | |
| Susan Underwood 1753-1775 |
| Susan Underwood | |
| B: | 2 Apr 1753 |
| Warrington, York, Pennsylvania, United States | |
| D: | 1775 |
| Martha Underwood 1756-1780 |
| Martha Underwood | |
| B: | 6 Sep 1756 |
| Warrington, Bucks, Pennsylvania, United States | |
| D: | 1780 |
| Mary Underwood 1767-1853 |
| Mary Underwood | |
| B: | 16 Jul 1767 |
| Warrington, York, Pennsylvania, United States | |
| D: | 1853 |
| Warrington, York, Pennsylvania, United States | |
 | Benjamin Underwood 1770-1771 |
| Benjamin Underwood | |
| B: | 24 Oct 1770 |
| York County, Pennsylvania, United States of America | |
| D: | 6 May 1771 |
| York County, Pennsylvania, United States of America | |
| Asahel Azahel Underwood 1773-1781 |
| Asahel Azahel Underwood | |
| B: | 14 Apr 1773 |
| York County, Pennsylvania, United States of America | |
| D: | 2 Jun 1781 |
| York County, Pennsylvania, United States of America | |
| Alexander Underwood Abt 1776-1847 |
| Alexander Underwood | |
| B: | Abt 1776 |
| York County, Pennsylvania, USA | |
| D: | 26 Jan 1847 |
| Pennsylvania, United States | |
| Unknown |
| Unknown |
| M: | 7 Jan 1750 |
| Warrington, York, Pennsylvania, United States | |