[3] The Roman militia seized and occupied the castle of Montalto di Castro - directly subject to the Church of Rome - to make it a stronghold in the military maneuvers against Viterbo.
[4] Frederick II moved from southern Italy with an army, joining the papal troops under Raniero Capocci at Montefiascone.
Savelli responded by banishing Cardinal Capocci from Rome and declaring the Pope exiled until he should pay compensation for war damages.
He died in office that year, still attempting to extend Roman authority and recover war damages from the Curia.
[4] His tomb is found at the Santa Maria in Aracoeli "Our Lady of The Heavenly Altar", along with his wife, and his son Giacomo (Honorius IV).