https://www.catholic.com/encyclopedia/pope-honorius-iv
Pope Honorius IV | Catholic Answers Encyclopedia
Honorius IV (GIACOMO SAVELLI), POPE, b. at Rome about 1210; d. at Rome, April 3, 1287. He belonged to the rich and influential family of the Savelli and was...
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https://www.catholic.org/saints/saint.php?saint_id=997
Honorius IV - Saints & Angels - Catholic Online
Honorius IV A grand-nephew of Honorius III, Giacomo Savelli was born c. 1210 in Rome and studied in Paris. Urban IV made him a cardinal in 1261. Savelli was...
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