____________________________
                                                            |                            
                                ____________________________|
                               |                            |
                               |                            |____________________________
                               |                                                         
 _John Martin of LEON _________|
| (1934 - ....)                |
|                              |                             ____________________________
|                              |                            |                            
|                              |____________________________|
|                                                           |
|                                                           |____________________________
|                                                                                        
|
|--Edward John of LEON 
|  
|                                                            _Santos RODRIQUEZ __________+
|                                                           | (1873 - 1935)              
|                               _Gilberto Tamez RODRIQUEZ __|
|                              | (1906 - 1984) m 1928       |
|                              |                            |_Marie Teresa Rangel TAMEZ _+
|                              |                              (1884 - 1974)              
|_Margaret Costilla RODRIQUEZ _|
  (1935 - ....)                |
                               |                             _Juan Pablo COSTILLA _______+
                               |                            | (1862 - 1932) m 1899       
                               |_Enriqueta Mendez COSTILLA _|
                                 (1909 - 1994) m 1928       |
                                                            |_Margarita MENDEZ __________+
                                                              (1882 - 1940) m 1899