For ten points, identify this national hero of Spain.
He gave his sword, Colada, to Don Diego, who had married his daughter; after his daughters were abandoned by the sons of the Carrión nobility, he demanded satisfaction from King Alfonso of Aragon, who granted it. Earlier, King Alfonso had banished him from the kingdom, but he - along with Minaya - had conquered Valencia and defeated the Moorish king of Morroco to regain his honor. For ten points, identify this national hero of Spain.
He gave his sword, Colada, to Don Diego, who had married his daughter; after his daughters were abandoned by the sons of the Carrión nobility, he demanded satisfaction from King Alfonso of Aragon, who granted it.
El {Cid} or Rodrigo {Díaz} de Vivar