_Samuel Prescott BUSH __+
                                                       | (1863 - 1948) m 1894   
                               _Prescott Sheldon BUSH _|
                              | (1895 - 1972) m 1921   |
                              |                        |_Flora SHELDON _________+
                              |                          (1872 - 1920) m 1894   
 _George Herbert Walker BUSH _|
| (1924 - 2018) m 1945        |
|                             |                         _George Herbert WALKER _+
|                             |                        | (1874 - 1953)          
|                             |_Dorothy Wear WALKER ___|
|                               (1901 - 1992) m 1921   |
|                                                      |_Lucretia WEAR _________
|                                                        (1874 - 1961)          
|
|--Dorothy Walker BUSH 
|  (1959 - ....)
|                                                       _Scott PIERCE __________
|                                                      | (1866 - 1920)          
|                              _Marvin PIERCE _________|
|                             | (1893 - 1969) m 1918   |
|                             |                        |_Mabel M. MARVIN _______
|                             |                          (1870 - 1920)          
|_Barbara PIERCE _____________|
  (1925 - 2018) m 1945        |
                              |                         _James E. ROBINSON _____
                              |                        |                        
                              |_Pauline ROBINSON ______|
                                (1896 - 1949) m 1918   |
                                                       |________________________