Family: Erastus Hitchcock Derby / Ruhamah B. Knowlton (F10203)
m. 10 Aug 1834Thomas Derby (1812- )  |
Sidney Algernon Knowlton (1793- ) 
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Harriet Burnham (1798-1882)
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| Martha Jane Knowlton (1822-1881) |
| Mary Ann Knowlton (1829-1887) |
| Benjamin Franklin Knowlton (1838-1901) |
| Ruhamah B. Knowlton (1817-1896)
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| Erastus Hitchcock Derby (1810-1890)
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| Martha Cornelia Derby (1841-1842) |
| Freeman Derby (1836- ) |
| Sydney Derby (1838- ) |
| Louis Derby (1844- ) |
| Ruhamah Derby (1846- ) |
| Joseph Derby (1848- ) |
| George O. Derby (1855- ) |
| Edward Derby (1858- ) |
| Jannie Derby (1860- ) |