Original sentence: The rival  of Anacletus, Innocent II in 1136 convinced Lothair III the Holy Roman Emperor to attack the Kingdom of Sicily with help from the Byzantine Emperor John II Comnenus.Two main armies, one led by Lothair, the other by Henry the Proud of Bavaria, invaded Sicily
Edited sentence: The rival  of Anacletus, Pope Innocent II in 1136 convinced Lothair III the Holy Roman Emperor to attack the Kingdom of Sicily with help from the Byzantine Emperor John II Comnenus.Two main armies, one led by Lothair, the other by Henry the Proud, who was Duke of Bavaria, invaded Sicily