Family: John Benjamin Blackwell / Nancy Elizabeth Helms (F1598)
m. 15 May 1817Drag or scroll to see more of the chart.
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 | John Benjamin Blackwell (1795-1836) |
 | Nancy Elizabeth Helms (1801-1835) |
| James Blackwell (1819-1892) |
| Thomas R Blackwell (1820-1888) |
| John Blackwell (1824-1863) |
| William Alson Blackwell (1826- ) |
| Benjamin H Blackwell (1829-1864)  |
| Washington J Blackwell (1833- ) |
| Elizabeth M. Blackwell (1835-1914) |
| Mary C. Blackwell (1840- ) |
| Emily Blackwell (1843- ) |