_Joseph COOLIDGE _______
                                                          | (1798 - 1879) m 1825   
                               _Joseph Randolph COOLIDGE _|
                              | (1828 - 1925) m 1860      |
                              |                           |_Ellen Wayles RANDOLPH _+
                              |                             (1796 - 1876) m 1825   
 _Joseph Randolph COOLIDGE II_|
| (1862 - 1928) m 1886        |
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|                             |_Julia GARDNER ____________|
|                               (1841 - 1921) m 1860      |
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|
|--Hamilton COOLIDGE 
|  (1895 - 1918)
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|_Mary Hamilton HILL _________|
  (1862 - 1952) m 1886        |
                              |                            ________________________
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