Ka kammala wannan jimlar: A wannan lokacin, Gregory ya yi tunanin miƙa wuya. An yi yarjejeniya kuma an fara tattaunawar zaman lafiya. Tattaunawar zaman lafiya kai tsaye a ƙarshe ta gaza kuma Gregory ya kira ga Babban Majalisar. Frederick da abokansa, duk da haka, sun rushe shirin Gregory don Babban Majalisar lokacin da suka tsayar da wata tawaga na masu ba da shawara da ke tafiya zuwa Roma a cikin jirgin ruwan Genoese a
Yaƙin Giglio (1241).