The pope endeavoured to gain Robert 's loyalty to help defeat Roger II of Sicily in return for remissions of his sins .
At the start of 1128 , Honorius II granted investiture to Robert which made the principalities of Capua independent from Apulia .
The pope endeavoured to gain Robert 's loyalty to help defeat Roger II of Sicily in return for remissions of Robert 's sins .
At the start of 1128 , Honorius II granted investiture to Robert which made the principalities of Capua independent from Apulia .