That ruler of this name and number married Constance, the daughter of Roger II, which allowed this man to press his claim to the Sicilian throne.
One ruler of this name and number concluded the Treaty of Vercelli with the Lombard towns and struggled for control of Italian possession with Tancred of Lecce. That ruler of this name and number married Constance, the daughter of Roger II, which allowed this man to press his claim to the Sicilian throne. Another ruler of this name and number had a minority rule that never officially ended and was advised by Humphrey, duke of Gloucester, and William de la Pole, the duke of Suffolk. That ruler lost the battle of Towton, leading to his imprisonment in the Tower of London. Briefly restored by Richard Neville, the Earl of Warwick, this husband of Margaret of Anjou was murdered in the Tower after Warwick's forces were routed at Tewksbury by Edward IV, who succeeded this man. For ten points, identify this regnal name and number of the Hohenstaufen Holy Roman Emperor, a son of Barbarossa succeeded by Frederick II, and the Lancastrian English king during the first phase of the Wars of the Roses.
One ruler of this name and number concluded the Treaty of Vercelli with the Lombard towns and struggled for control of Italian possession with Tancred of Lecce.
Henry VI