The inconclusive Battle of Toro won a woman with this name her countrymen's support in a succession dispute against her half niece, Joanna la Beltraneja (zhoh-ah-nah la bel-trah-NAY-zhah); with her husband, that woman with this name expelled the Jews from her country in the Alhambra Decree and completed the Reconquista by conquering Grenada.
While besieging Kerak (ker-ACK) on the day that a princess of this name married Humphrey of Toron, Saladin was convinced not to bombard the tower in which the newlyweds spent their wedding night. By marrying Yolande of Brienne (yoh-LAHND of bree-EN), who had this regnal name, Frederick II brought the Kingdom of Jerusalem into Hohenstaufen (ho-hen-SHTOW-fen) control. The inconclusive Battle of Toro won a woman with this name her countrymen's support in a succession dispute against her half niece, Joanna la Beltraneja (zhoh-ah-nah la bel-trah-NAY-zhah); with her husband, that woman with this name expelled the Jews from her country in the Alhambra Decree and completed the Reconquista by conquering Grenada. For 10 points, give the name of the Castilian queen who sponsored Christopher Columbus and ruled Spain with her husband, Ferdinand of Aragon.
While besieging Kerak (ker-ACK) on the day that a princess of this name married Humphrey of Toron, Saladin was convinced not to bombard the tower in which the newlyweds spent their wedding night.
 Isabella [accept Isabella I of Jerusalem or Isabella II of Jerusalem or Isabella I of Castile]