Blanche of Castile, wife of Louis VIII of France. She was born at Palencia, the third daughter of Alfonso VIII, king of Castile, and of Eleanor of England. Eleanor was a daughter of Henry II of England and his Queen consort Eleanor of Aquitaine. In consequence of a treaty between Philip Augustus and John of England, Blanche's sister Urraca was betrothed to the former's son, Louis. Their grandmother Eleanor, upon getting acquainted with the two sisters, … Wikipedia
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