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Boniface of Savoy (c. 1207 – 18 July 1270) was a medieval Bishop of Belley in Savoy and Archbishop of Canterbury in England. He was the son of Thomas, Count of Savoy, and owed his initial ecclesiastical posts to his father. Other members of his family were also clergymen, and a brother succeeded his father as count. One niece was married to King Henry III of England and another was married to King Louis IX of France. It was Henry who secured Boniface's election as Archbishop, and throughout his tenure of that office he spent much time on the continent. He clashed with his bishops, with his nephew-by-marriage, and with the papacy, but managed to eliminate the archiepiscopal debt which he had inherited on taking office. During Simon de Montfort's struggle with King Henry, Boniface initially