Research topic: Innocent IV

Innocent IV d. 1254, pope (1243-54), a Genoese named Sinibaldo Fieschi, a distinguished jurist who studied and later taught law at the Univ. of Bologna; successor of Celestine IV. He was of a noble family. Although he had been regarded as sympathetic to the empire, once pope he quickly took up the papal struggle with Frederick II and the Hohenstaufen . After a futile treaty he felt unsafe in Rome and fled to Lyons, where he convened the Council of Lyons (1245; see Lyons, First Council of ). Frederick was condemned again and declared deposed, and Innocent supported Henry Raspe and, later,... Read more