_____________________
                                                                          |                     
                                                    ______________________|_____________________
                                                   |                                            
                         _Jefferson Perry HOUSTON _|
                        | (1857 - ....)            |
                        |                          |                       _____________________
                        |                          |                      |                     
                        |                          |______________________|_____________________
                        |                                                                       
 _Robert Young HOUSTON _|
| (1888 - 1965) m 1914  |
|                       |                                                  _____________________
|                       |                                                 |                     
|                       |                           ______________________|_____________________
|                       |                          |                                            
|                       |_Elnora Jane YOUNG _______|
|                                                  |
|                                                  |                       _____________________
|                                                  |                      |                     
|                                                  |______________________|_____________________
|                                                                                               
|
|--Thomas Jefferson HOUSTON 
|  (1914 - 1975)
|                                                                          _Nicholas WELCH III__+
|                                                                         | (1798 - 1856)       
|                                                   _David WELCH _________|_Nancy WHITE ________
|                                                  | (1823 - 1888)          (1796 - 1881)       
|                        _Nicholas David WELCH ____|
|                       | (1867 - 1947) m 1890     |
|                       |                          |                       _John GARRETT _______+
|                       |                          |                      | (1806 - 1888)       
|                       |                          |_Harriett GARRETT ____|_Jane P. WILLIAMS ___
|                       |                            (1828 - 1892)          (1813 - 1884)       
|_Nealy Mae WELCH ______|
  (1894 - 1951) m 1914  |
                        |                                                  _Hiram LACY _________+
                        |                                                 | (1790 - 1870)       
                        |                           _John Jesse LACY _____|_Nancy STEGALL ______
                        |                          | (1833 - 1879) m 1851   (1811 - ....)       
                        |_Mary Josephine LACY _____|
                          (1867 - 1945) m 1890     |
                                                   |                       _Edmund Hale LUCAS __+
                                                   |                      | (1810 - 1888)       
                                                   |_Susan Frances LUCAS _|_Elizabeth H. MILAM _
                                                     (1836 - 1918) m 1851   (1817 - 1864)