___________________________
                                                  |                           
                        _William Seward WEBB _____|
                       | (1851 - 1926) m 1881     |
                       |                          |___________________________
                       |                                                      
 _James Watson WEBB II_|
| (1884 - 1960)        |
|                      |                           _William Henry VANDERBILT _+
|                      |                          | (1821 - 1885) m 1841      
|                      |_Eliza Osgood VANDERBILT _|
|                        (1860 - 1936) m 1881     |
|                                                 |_Maria Louisa KISSAM ______+
|                                                   (1821 - 1896) m 1841      
|
|--Harry Havemeyer WEBB 
|  (1922 - 1975)
|                                                  ___________________________
|                                                 |                           
|                       __________________________|
|                      |                          |
|                      |                          |___________________________
|                      |                                                      
|_Electra HAVEMEYER ___|
  (1888 - 1960)        |
                       |                           ___________________________
                       |                          |                           
                       |__________________________|
                                                  |
                                                  |___________________________