_Thomas COBBS Jr.__________+
                                                  | (1720 - 1761) m 1733      
                       _Charles L. COBBS Sr.______|
                      | (1735 - 1798) m 1758      |
                      |                           |_Sara THOMAS ______________+
                      |                             (1719 - 1757) m 1733      
 _Samuel D COBBS _____|
| (1766 - 1813) m 1803|
|                     |                            _William WALTON Sr.________+
|                     |                           | (1700 - 1747)             
|                     |_Ann WALTON _______________|
|                       (1739 - 1810) m 1758      |
|                                                 |_Elizabeth TILGHMAN _______
|                                                                             
|
|--Sarah J. COBBS 
|  (1806 - ....)
|                                                  _John Wilkins MARSHALL Sr._+
|                                                 | (1713 - 1771)             
|                      _John Wilkins MARSHALL Jr._|
|                     | (1753 - 1819) m 1778      |
|                     |                           |_Hannah BALDWIN ___________
|                     |                             (1719 - 1801)             
|_Mary A. MARSHALL ___|
  (1785 - 1852) m 1803|
                      |                            _Thomas JOYCE _____________
                      |                           | (1725 - 1780)             
                      |_Sarah JOYCE ______________|
                        (1755 - 1823) m 1778      |
                                                  |_Sarah HAMILTON ___________