Family: Alexander Gibson / Mary Calhoun Halbert (F16016)
William Anson Halbert (1784-1859) 
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| Dewitt Clinton Halbert (1831- ) |
William Preston Halbert (1834-1920)  |
| Joel Kirby Halbert (1837-1901) |
| Alexander Gibson (1827-1898) |
Mary Calhoun Halbert (1834-1873)
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