_Robert COBB ________+
                                                | (1789 - 1870) m 1814
                           _Robert Lake COBB ___|
                          | (1817 - 1893) m 1843|
                          |                     |_Mary LAKE __________+
                          |                       (1795 - 1870) m 1814
 _Herbert Mansfield COBB _|
| (1853 - 1926) m 1881    |
|                         |                      _____________________
|                         |                     |                     
|                         |_Frances MANSFIELD __|
|                           (1824 - 1899) m 1843|
|                                               |_____________________
|                                                                     
|
|--Robert COBB 
|  (1881 - ....)
|                                                _____________________
|                                               |                     
|                          _____________________|
|                         |                     |
|                         |                     |_____________________
|                         |                                           
|_Constance LNU __________|
  (1855 - ....) m 1881    |
                          |                      _____________________
                          |                     |                     
                          |_____________________|
                                                |
                                                |_____________________