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
Edward III of England France to perform the homage. The young Edward was accompanied by his mother Isabella, who was the sister of King Charles, and was meant to negotiate a peace treaty with the French. While in France, Isabella conspired with the exiled Roger Mortimer to have Edward deposed. To build up diplomatic and military support for the venture, Isabella had her son engaged to the twelve-year-old Philippa of Hainault. An invasion of England was launched and Edward II's forces deserted him completely. Isabella and Mortimer summoned a parliament, the king was forced to relinquish the throne to his son, who was proclaimed