Question: The County of Savoy and the Plantaganet monarchy of England had been linked by the marriage of which person, also known as Henry of Winchester, was King of England, Lord of Ireland and Duke of Aquitaine from 1216 until his death, and Eleanor of Provence in 1236? 
Sentence (from "Henry III of England"): Cardinal Guala declared the war against the rebel barons to be a religious crusade and Henry's forces, led by William Marshal, defeated the rebels at the battles of Lincoln and Sandwich in 1217.
Relevant evidence: No