_Law COBB ___________+
                                                | (1784 - ....) m 1824
                       _John COBB ______________|
                      | (1826 - 1887) m 1865    |
                      |                         |_Mary Ann LEMME _____
                      |                           (1791 - 1851) m 1824
 _John Austen COBB ___|
| (1866 - ....) m 1892|
|                     |                          _____________________
|                     |                         |                     
|                     |_Julia Elizabeth AUSTEN _|
|                       (.... - 1866) m 1865    |
|                                               |_____________________
|                                                                     
|
|--Roland COBB 
|  (1897 - ....)
|                                                _____________________
|                                               |                     
|                      _Moses MARSTON __________|
|                     | (1832 - 1883) m 1880    |
|                     |                         |_____________________
|                     |                                               
|_Helen MARRS ________|
  (1864 - ....) m 1892|
                      |                          _____________________
                      |                         |                     
                      |_Isabella CROSBY ________|
                        (1839 - 1904) m 1880    |
                                                |_____________________