Isabella of England Isabella of England Isabella of England (1214 – 1 December 1241) was Holy Roman Empress, Queen of the Germans, and queen consort of Sicily. She was the fourth child and second daughter of John, King of England and Isabella of Angoulême. At a friendly meeting at Rieti, Pope Gregory IX suggested to Emperor Frederick II that he marry princess Isabella, a sister of King Henry III of England. At first Frederick II was concerned to lose his French allies; but when he realized that an English marriage might end the ongoing Anglo-French feud and constitute an important step towards the
Isabella I of Castile marriages were over. There was talk of a marriage to Edward IV of England or to one of his brothers, probably Richard, Duke of Gloucester, but this alliance was never seriously considered. Once again in 1468, a marriage proposal arrived from Alfonso V of Portugal. Going against his promises made in September, Henry tried to make the marriage a reality. If Isabella married Alfonso, Henry's daughter Joanna would marry Alfonso's son John II and thus, after the death of the old king, John and Joanna could inherit Portugal and Castile. Isabella refused and made a secret promise to marry her