_____________________
                                                 |                     
                           _John BLACK __________|
                          | (1750 - 1814) m 1778 |
                          |                      |_____________________
                          |                                            
 _William Marshall BLACK _|
| (1782 - 1846) m 1817    |
|                         |                       _William MARSHALL Jr_+
|                         |                      | (1735 - 1784) m 1758
|                         |_Michel MARSHALL _____|
|                           (1760 - 1844) m 1778 |
|                                                |_Anne ELLINGTON _____
|                                                  (1740 - 1786) m 1758
|
|--John BLACK 
|  (1820 - ....)
|                                                 _Thomas COBBS Jr.____+
|                                                | (1720 - 1761) m 1733
|                          _Charles L. COBBS Sr._|
|                         | (1735 - 1798) m 1758 |
|                         |                      |_Sara THOMAS ________+
|                         |                        (1719 - 1757) m 1733
|_Mary Ann COBBS _________|
  (1798 - 1874) m 1817    |
                          |                       _William WALTON Sr.__+
                          |                      | (1700 - 1747)       
                          |_Ann WALTON __________|
                            (1739 - 1810) m 1758 |
                                                 |_Elizabeth TILGHMAN _