_____________________________
                                            |                             
                       _Peter JEFFERSON ____|
                      | (1708 - 1757)       |
                      |                     |_____________________________
                      |                                                   
 _Thomas JEFFERSON ___|
| (1743 - 1826) m 1772|
|                     |                      _Isham RANDOLPH _____________+
|                     |                     | (1684 - 1742) m 1717        
|                     |_Jane RANDOLPH ______|
|                       (1720 - 1776)       |
|                                           |_Jane Lilburne Susan ROGERS _
|                                              m 1717                     
|
|--Lucy Elizabeth JEFFERSON 
|  (1780 - 1804)
|                                            _____________________________
|                                           |                             
|                      _____________________|
|                     |                     |
|                     |                     |_____________________________
|                     |                                                   
|_Martha WAYLES ______|
  (1748 - 1782) m 1772|
                      |                      _____________________________
                      |                     |                             
                      |_____________________|
                                            |
                                            |_____________________________