Pope Celestine IV (died November 10, 1241 in Rome), born Goffredo da Castiglione, was pope from October 25, 1241 to November 10, 1241. Born in Milan, Goffredo or Godfrey is often referred to as son of a sister of Pope Urban III (1185–87), but this information is without foundation. His early life is unknown until he became chancellor of the church of Milan (perhaps as early as 1219, certainly in 1223–27). Pope Gregory IX (1227–41) made him a cardinal September 18, 1227 [1], with the cure of San Marco, and in 1228–29 sent him as legate in Lombardy and Tuscany, where the cities and communes had generally remained true to the Hohenstaufen emperor, Frederick II, in an attempt to bring them around to the curial side, without success (Lex. der Mittelalters). In 1238 he was made cardinal bishop o