" This polity conquered Sicily in the wake of the Sicilian Vespers Uprising in 1282 during the reign of its "Great" king, Peter III.
One ruler of this region rejected marriage with Eudocia Comnena, living up to his reputation as a troubadour by marrying a peasant named Sancha. Another ruler of this region was killed at the Battle of Muret in a headlong attack against the forces of Simon of Montfort; that monarch of this region was known as "the Catholic." This polity conquered Sicily in the wake of the Sicilian Vespers Uprising in 1282 during the reign of its "Great" king, Peter III. This region's first king, Ramiro I, was a son of Sancho the Great of Navarre, and it was formed from Sancho's partitions of his realm. For 10 points, name this region of Spain from which Catherine, the first wife of Henry VIII, hailed.
One ruler of this region rejected marriage with Eudocia Comnena, living up to his reputation as a troubadour by marrying a peasant named Sancha.
Aragon