_Alfonso III ASTUR-LEON _+
                                                  | (0848 - 0910)           
                          _Ordoño II ASTUR-LEON _|
                         | (0873 - 0924)          |
                         |                        |_Jimena JIMÉNEZ ________+
                         |                          (0850 - 0912)           
 _Alfonso IV ASTUR-LEON _|
| (0890 - 0933)          |
|                        |                         _________________________
|                        |                        |                         
|                        |_Elvira MENÉNDEZ ______|
|                          (.... - 0921)          |
|                                                 |_________________________
|                                                                           
|
|--Ordoño IV ASTUR-LEON 
|  (0926 - 0962)
|                                                  _________________________
|                                                 |                         
|                         ________________________|
|                        |                        |
|                        |                        |_________________________
|                        |                                                  
|_Oneca SÁNCHEZ ________|
                         |
                         |                         _________________________
                         |                        |                         
                         |________________________|
                                                  |
                                                  |_________________________