_________________________
                                                   |                         
                         _John Henry HAMMOND ______|
                        | (1871 - 1949) m 1899     |
                        |                          |_________________________
                        |                                                    
 _John Henry HAMMOND II_|
| (1910 - 1987) m 1941  |
|                       |                           _William Douglas SLOANE _
|                       |                          | (1844 - 1915)           
|                       |_Emily Vanderbilt SLOANE _|
|                         (1874 - 1970) m 1899     |
|                                                  |_Emily Thorn VANDERBILT _+
|                                                    (1852 - 1946)           
|
|--Jason HAMMOND 
|  (1946 - ....)
|                                                   _________________________
|                                                  |                         
|                        __________________________|
|                       |                          |
|                       |                          |_________________________
|                       |                                                    
|_Jemison Mary MCBRIDE _|
  (1917 - 1992) m 1941  |
                        |                           _________________________
                        |                          |                         
                        |__________________________|
                                                   |
                                                   |_________________________