Edward I's second wife?

IOTL, after the death of his first wife, Eleanor of Castille, who it seems genuinely loved each other, King Edward I of England married Margaret, sister of Philip IV of France. The marriage produced two sons and one posthumous daughter who died in infancy, and they seem to have gotten along, but who else could Edward have chosen to marry? The only one that comes to mind right now is Yolande of Dreux, widow of Alexander III of Scotland.

Any ideas?
 
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