_Joseph COOLIDGE _______
                                                         | (1798 - 1879) m 1825   
                              _Joseph Randolph COOLIDGE _|
                             | (1828 - 1925) m 1860      |
                             |                           |_Ellen Wayles RANDOLPH _+
                             |                             (1796 - 1876) m 1825   
 _Harold Jefferson COOLIDGE _|
| (1870 - 1934) m 1903       |
|                            |                            ________________________
|                            |                           |                        
|                            |_Julia GARDNER ____________|
|                              (1841 - 1921) m 1860      |
|                                                        |________________________
|                                                                                 
|
|--Harold Jefferson COOLIDGE Jr
|  (1904 - 1985)
|                                                         ________________________
|                                                        |                        
|                             ___________________________|
|                            |                           |
|                            |                           |________________________
|                            |                                                    
|_Edith LAWRENCE ____________|
  (1879 - 1975) m 1903       |
                             |                            ________________________
                             |                           |                        
                             |___________________________|
                                                         |
                                                         |________________________