_Phillip PRESTON ____+
                                            | (1711 - 1774)       
                       _Moses PRESTON ______|
                      | (1763 - 1842) m 1783|
                      |                     |_Mary Ann DOSS ______
                      |                       (1715 - 1820)       
 _Isaac P PRESTON ____|
| (1784 - 1864) m 1812|
|                     |                      _Thomas ARTHUR ______
|                     |                     | (1730 - 1820)       
|                     |_Frances ARTHUR _____|
|                       (1764 - 1844) m 1783|
|                                           |_Rebecca JENNY ______
|                                             (1734 - 1788)       
|
|--Robert McDonald PRESTON 
|  (1822 - 1917)
|                                            _Archibald SLONE ____
|                                           |                     
|                      _Shadrack SLONE _____|
|                     |                     |
|                     |                     |_Margaret CRAIG _____
|                     |                                           
|_Mary Polly SLONE ___|
  (1794 - 1884) m 1812|
                      |                      _____________________
                      |                     |                     
                      |_____________________|
                                            |
                                            |_____________________