Leonor of England was a medieval princess born in 1269, the daughter of King Edward I of England and Eleanor of Castile. She was known for her beauty and intelligence, and her life was marked by the political alliances formed through her marriage. In 1289, Leonor married Henry III of Castile, strengthening ties between England and Spain. Her marriage was significant in the context of European politics, as it helped to solidify relationships between the two kingdoms. Leonor's legacy includes her role in fostering diplomatic relations during a time of political upheaval in Europe.