__
                                            |  
                       _____________________|
                      |                     |
                      |                     |__
                      |                        
 _Hugh DUGGAN ________|
| (1804 - 1883)       |
|                     |                      __
|                     |                     |  
|                     |_____________________|
|                                           |
|                                           |__
|                                              
|
|--Thomas DUGGAN 
|  (1835 - ....)
|                                            __
|                                           |  
|                      _Henry J. BROCK _____|
|                     |                     |
|                     |                     |__
|                     |                        
|_Matilda BROCK ______|
  (1811 - 1879)       |
                      |                      __
                      |                     |  
                      |_Mary QUEENER _______|
                                            |
                                            |__