___________________________
                                                     |                           
                            _________________________|
                           |                         |
                           |                         |___________________________
                           |                                                     
 _László SZÉCHENYI _____|
| (1879 - 1938) m 1908     |
|                          |                          ___________________________
|                          |                         |                           
|                          |_________________________|
|                                                    |
|                                                    |___________________________
|                                                                                
|
|--Gladys SZÉCHENYI 
|  (1913 - 1978)
|                                                     _William Henry VANDERBILT _+
|                                                    | (1821 - 1885) m 1841      
|                           _Cornelius VANDERBILT II_|
|                          | (1843 - 1899) m 1867    |
|                          |                         |_Maria Louisa KISSAM ______+
|                          |                           (1821 - 1896) m 1841      
|_Gladys Moore VANDERBILT _|
  (1886 - 1965) m 1908     |
                           |                          _Abraham Evan GWYNNE ______
                           |                         | (1821 - 1855)             
                           |_Alice Claypoole GWYNNE _|
                             (1845 - 1934) m 1867    |
                                                     |_Rachel Moore FLAGG _______
                                                       (1822 - 1884)