Nathan Hammond (1761-1814)  ->
                                        | 
                      George Hammond (1794-1879)
                        |               |
                        |            Olive Davis (1767-1840)
                        |
          Nathan C Hammond (1823-1911)
             |          |
             |          |
             |          |
             |         Mary "Polly" Hinman (1800-1871)
             |
             |
Dwight Lewis Hammond (1855-1930)
             |                        Cornelius Treat (1766-????)
             |                          |
             |         Benjamin Palmer Treat (1792-1828)
             |          |               |
             |          |             Alcy Palmer
             |          |
           Mary V Treat (1826-1919)
                        |
                        |  
                        |  
                       Susan E Davis (1798-1851)