__
                                               |  
                          _William NORTHROP ___|
                         |                     |
                         |                     |__
                         |                        
 _Frank Wesley NORTHROP _|
|                        |
|                        |                      __
|                        |                     |  
|                        |_Rose LNU ___________|
|                                              |
|                                              |__
|                                                 
|
|--William L. NORTHROP 
|  (1922 - ....)
|                                               __
|                                              |  
|                         _Will CLICK _________|
|                        |                     |
|                        |                     |__
|                        |                        
|_Maxine CLICK __________|
  (1901 - ....)          |
                         |                      __
                         |                     |  
                         |_Manerva CARROLL ____|
                                               |
                                               |__