Backus Family History
Prof. Edward Salisbury Dana
1849 - 1935 (85 years)| Frances Henrietta Dana | |
 1846 - 1924 (77 years) |
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Prof. Edward Salisbury Dana |
| 1849 - 1935 (85 years) |
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| James Silliman Dana | |
| 1853 - 1861 (8 years) |
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| Harriet Trumbull Dana | |
| 1857 - 1861 (3 years) |
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| Arnold Guyot Dana | |
| 1862 - 1947 (84 years) |
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| Maria Trumbull Dana | |
| 1867 - 1961 (94 years) |
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Henrietta Frances Silliman |
| 1823 - 1907 (83 years) |
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Prof. James Dwight Dana |
| 1813 - 1895 (82 years) |
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