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 "Savoyard knights in the service of Edward I"): Eleanor of Provence was the daughter of Beatrice of Savoy.
Relevant evidence: No