Family: Nathaniel Boyden Blackwelder / Julia Ann Johnston (F12278)
Hugh Blackwelder (1804-1879) 
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| Nathaniel Boyden Blackwelder (1850- )
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| Harris Webster Blackwelder (1882- ) |
| Eugene W Blackwelder (1888- ) |
| Nathan DeWitt Blackwelder (1893- ) |
| Hugh Blackwelder (1804-1879)
|
| Nathaniel Boyden Blackwelder (1850- )
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| Harris Webster Blackwelder (1882- ) |
| Eugene W Blackwelder (1888- ) |
| Nathan DeWitt Blackwelder (1893- ) |