_John Wilkins MARSHALL Sr._+
                                                     | (1713 - 1771)             
                          _John Wilkins MARSHALL Jr._|
                         | (1753 - 1819) m 1778      |
                         |                           |_Hannah BALDWIN ___________
                         |                             (1719 - 1801)             
 _Thomas Isham MARSHALL _|
| (1780 - 1864)          |
|                        |                            _Thomas JOYCE _____________
|                        |                           | (1725 - 1780)             
|                        |_Sarah JOYCE ______________|
|                          (1755 - 1823) m 1778      |
|                                                    |_Sarah HAMILTON ___________
|                                                                                
|
|--Martha MARSHALL 
|  (1812 - ....)
|                                                     _Charles L. COBBS Sr.______+
|                                                    | (1735 - 1798) m 1758      
|                         _John B COBBS _____________|
|                        | (1759 - 1847)             |
|                        |                           |_Ann WALTON _______________+
|                        |                             (1739 - 1810) m 1758      
|_Elizabeth W COBBS _____|
  (1782 - 1863)          |
                         |                            ___________________________
                         |                           |                           
                         |_Sarah MCCOY ______________|
                                                     |
                                                     |___________________________