Family: Jonathan "Jack" UNDERWOOD / Nancy GAPEN (F40436)
m. 1851 | Samuel UNDERWOOD (1791-1865) 
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 | Margaret GEORGE (1803-1871)
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| Solomon UNDERWOOD (1820-1893)  |
| Isaac UNDERWOOD (1824-1888) |
| John Grant UNDERWOOD (1829-1902) |
| Daniel UNDERWOOD (1830-1858) |
| David UNDERWOOD (1832-1906) |
| Isaiah UNDERWOOD (1834-1895) |
| Hiram UNDERWOOD (1836-1926) |
| Ruth Ann UNDERWOOD (1838-1916) |
| Mary UNDERWOOD (1842-1873) |
| John GAPEN (1809-1865)
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| Matilda GARLOW (1810-1888) |
| Joshua GAPEN (1827-1900) |
| Edith GAPEN (1833-1904) |
| Harriet GAPEN (1835-1921) |
| Jonathan "Jack" UNDERWOOD (1822-1863)
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| Nancy GAPEN (1829-1910)
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| Mahala Jane UNDERWOOD (1852-1936) |
| Elias UNDERWOOD (1853-1911) |
| Silas UNDERWOOD (1855-1882) |
| Elisha UNDERWOOD (1857- ) |
| John W. UNDERWOOD (1857- ) |
| Samuel Gapen UNDERWOOD (1859-1919) |
| Lemar Grant UNDERWOOD (1865-1946) |