_____________________
                                                            |                     
                               _Frederic CROMWELL Jr________|
                              | (1900 - 1973)               |
                              |                             |_____________________
                              |                                                   
 _Seymour Legrand CROMWELL II_|
| (1934 - 1977)               |
|                             |                              _Goodhue LIVINGSTON _+
|                             |                             | (1867 - 1951) m 1896
|                             |_Cornelia Thayer LIVINGSTON _|
|                               (1903 - 1975)               |
|                                                           |_Louisa ROBB ________+
|                                                             (1877 - 1960) m 1896
|
|--Abigail W S CROMWELL 
|  
|                                                            _____________________
|                                                           |                     
|                              _____________________________|
|                             |                             |
|                             |                             |_____________________
|                             |                                                   
|_Gail PIERSON _______________|
                              |
                              |                              _____________________
                              |                             |                     
                              |_____________________________|
                                                            |
                                                            |_____________________