______________________
                                                    |                      
                             _______________________|
                            |                       |
                            |                       |______________________
                            |                                              
 _Francis Matthew THORNTON _|
| (1864 - 1930) m 1887      |
|                           |                        ______________________
|                           |                       |                      
|                           |_______________________|
|                                                   |
|                                                   |______________________
|                                                                          
|
|--Marjorie M. THORNTON 
|  (1911 - ....)
|                                                    _James Humphrey COBB _+
|                                                   | (1799 - 1876) m 1820 
|                            _Ransom A COBB ________|
|                           | (1824 - 1892) m 1856  |
|                           |                       |_Mary Jones SULLIVAN _
|                           |                         (1808 - 1886) m 1820 
|_Mary E. COBB _____________|
  (1867 - 1930) m 1887      |
                            |                        ______________________
                            |                       |                      
                            |_Lucy Elizabeth BROWN _|
                              (1839 - 1913) m 1856  |
                                                    |______________________