_William Thomas WELCH , Sr._
                                                                     | (1680 - 1742) m 1702       
                                              _John WELCH ___________|_Susanna ? _________________
                                             | (1712 - 1769) m 1737    (1680 - ....)              
                        _Nicholas WELCH _____|
                       | (1740 - 1814) m 1757|
                       |                     |                        ____________________________
                       |                     |                       |                            
                       |                     |_Elizabeth WHITESIDES _|____________________________
                       |                       (1715 - 1742) m 1737                               
 _Nicholas WELCH , Jr._|
| (1761 - 1822) m 1783 |
|                      |                                              ____________________________
|                      |                                             |                            
|                      |                      _______________________|____________________________
|                      |                     |                                                    
|                      |_Elizabeth ? ________|
|                        (1740 - 1810) m 1757|
|                                            |                        ____________________________
|                                            |                       |                            
|                                            |_______________________|____________________________
|                                                                                                 
|
|--? WELCH 
|  (1783 - ....)
|                                                                     ____________________________
|                                                                    |                            
|                                             _______________________|____________________________
|                                            |                                                    
|                       _____________________|
|                      |                     |
|                      |                     |                        ____________________________
|                      |                     |                       |                            
|                      |                     |_______________________|____________________________
|                      |                                                                          
|_? ALEXANDER _________|
  (1764 - ....) m 1783 |
                       |                                              ____________________________
                       |                                             |                            
                       |                      _______________________|____________________________
                       |                     |                                                    
                       |_____________________|
                                             |
                                             |                        ____________________________
                                             |                       |                            
                                             |_______________________|____________________________