_Samuel PRESTON _____+
                                                    | (1852 - 1904) m 1867
                               _Jesse PRESTON ______|
                              | (1868 - 1958) m 1891|
                              |                     |_Elizabeth MURRAY ___+
                              |                       (1846 - 1919) m 1867
 _Roy PRESTON ________________|
| (1912 - 1959) m 1929        |
|                             |                      _James C. MURPHY ____
|                             |                     |                     
|                             |_Alvina MURPHY ______|
|                               (1866 - 1935) m 1891|
|                                                   |_Rebecca PATRICK ____
|                                                                         
|
|--Mary Alvina PRESTON 
|  (1935 - ....)
|                                                    _____________________
|                                                   |                     
|                              _____________________|
|                             |                     |
|                             |                     |_____________________
|                             |                                           
|_Flossie Ernestine JENNINGS _|
  (1912 - 1984) m 1929        |
                              |                      _____________________
                              |                     |                     
                              |_____________________|
                                                    |
                                                    |_____________________