Pope PERSON@1 called for a crusade , which was led by several of LOCATION@1 's most important leaders : PERSON@2 of LOCATION@2 , PERSON@3 I of LOCATION@3 -LRB- aka PERSON@3 the Lionheart -RRB- , and PERSON@4 I , Holy Roman Emperor .

Pope PERSON@1 started a new crusade , led by several of LOCATION@1 's kings : PERSON@2 of LOCATION@2 , PERSON@3 I of LOCATION@3 and PERSON@4 I , Holy Roman Emperor .
