__
                                            |  
                       _Thomas TREW ________|
                      | (1779 - 1862) m 1813|
                      |                     |__
                      |                        
 _James Connob TREW __|
| (1826 - 1883) m 1847|
|                     |                      __
|                     |                     |  
|                     |_Nancy JAMES ________|
|                       (1796 - 1878) m 1813|
|                                           |__
|                                              
|
|--Sarah Jane TREW 
|  (1850 - ....)
|                                            __
|                                           |  
|                      _Henry COWDEN _______|
|                     |  m 1831             |
|                     |                     |__
|                     |                        
|_Elizabeth COWDEN ___|
  (1831 - 1858) m 1847|
                      |                      __
                      |                     |  
                      |_Sarah LNU __________|
                         m 1831             |
                                            |__