_Bermudo I ASTUR-LEON _+
                                               | (0750 - 0797)         
                         _Ramiro I ASTUR-LEON _|
                        | (0790 - 0849)        |
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 _Ordoño I ASTUR-LEON _|
| (0821 - 0866)         |
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|
|--Alfonso III ASTUR-LEON 
|  (0848 - 0910)
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