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Pope Innocent IV

Pope Innocent IV

?–1254 CE · Genoa

Born Sinibaldo Fieschi of a noble Genoese family and a distinguished canon lawyer, Innocent IV waged the climactic phase of the papacy's struggle with Emperor Frederick II. At the First Council of Lyon (1245), to which he fled for safety, he declared Frederick deposed, hardening a conflict that outlasted the emperor's death in 1250. A master jurist, his commentary on the decretals profoundly shaped legal thought, and he authorized the first diplomatic missions to the Mongols seeking to understand and deter them. His bull Ad extirpanda (1252) sanctioned the use of torture in heresy trials, a grave and much-debated development. He died at Naples in 1254.

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Genoa

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About Genoa

Genoa, a port city and capital of Liguria, northwestern Italy. A major maritime republic in the Middle Ages, it was the birthplace or family seat of several popes (including the della Rovere and Cybo lines) and an important archiepiscopal see.

In Genoa at the same time

Pope Adrian V

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In the same place & time

Sages whose lives overlapped with Pope Innocent IV’s in the same cities, drawn from their recorded journeys.

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