Example image of eyePlorer eyePlorer map for 'Pope Gregory IX': 1227 1241 August 22 March 19 Pope Papal supremacy Pope Gregory VII Pope Honorius III Pope Innocent III Cardinal (Catholicism) Bishop of Ostia Dean of the College of Cardinals Cardinal protector Franciscan Constantine I Frederick II, Holy Roman Emperor House of Hohenstaufen Otranto Sixth Crusade Excommunication Saracen Papal States Anagni Lombard League Anathema Christian heresy Prelate Archbishopric of Salzburg Regensburg Crusades Pope Innocent IV Mainz Decretum Early Middle Ages Gratian (jurist) University of Paris University of Paris strike of 1229 Medieval Inquisition Anthony of Padua Canonization Elisabeth of Hungary Francis of Assisi Saint Dominic England Forgery France Henry III of England Louis IX of France Pragmatic sanction Last Judgment