[5] He threatened to excommunicate Henry VI for wrongfully keeping King Richard I of England imprisoned, but he could do little else since the college of cardinals were against it.
[8] Upon Cinthius' return to Rome, Celestine issued three papal bulls;Cum Romana ecclesia, Etsi sedes debeat, Quanto magnitudinem tuam.
These bulls advised the archbishop Absalon of Lund to instruct the King of Denmark to release the bishop of Schleswig.
[9] The bulls also threatened to excommunicate the offending Duke Valdemar, who had imprisoned the bishop of Schleswig, and place the kingdom of Denmark under interdict.
[10] Celestine condemned King Alfonso IX of León for his marriage to Theresa of Portugal on the grounds of consanguinity.