From 932 to 954, Alberic II ruled over Rome and his residence was in the
Via del Corso. His reign was a period of relative peace for Rome and Benedict of Soracte wrote that he defended the city from Lombard and transalpine kings. Liutprand of Cremona described Alberic as an usurper and tyrant that treated the popes like servants. Early during Alberic's rule he was referred to using the titles
vestararius, first senator, and duke of the Romans. He later started using the titles
senator omnium Romanorum (senator of all the Romans) and
princeps, which was included on his coinage. The title
princeps was used by
Augustus, founder of the
Roman Empire. Emperor
Constantine VII acknowledged Alberic's usage of the title prince on two occasions. The five popes after Pope John XI were all appointed by Alberic. Prior popes minted coins in their own names, but Alberic's name appeared alongside the popes. Benedict of Soracte wrote that
Pope Marinus II would take no action unless at Alberic's command.
Pope Stephen VIII fell out of favour with Alberic and participated in a plot to overthrow Alberic; Stephen VIII was imprisoned and tortured before dying from his wounds.
Otto the Great was denied a coronation as
Holy Roman Emperor by Alberic in 951. Monasteries which had been abandoned due to Muslim attacks in the prior decades were restored by Alberic. Benedict of Soracte referred to Alberic as
gloriosus princeps Albericus and
cultor monasteriorum (cultivator of monasteries).
Santa Maria del Priorato Church is the only surviving church that was endowed or founded by Alberic; Santa Maria del Priorato Church was constructed on the house he was born in.
Odo of Cluny was made
archimandrite for all of the monasteries in Rome by Alberic. Hugh unsuccessfully tried to retake Rome in 933 and 936. Odo of Cluny served as an emissary between Alberic and Hugh between 936 and 942. An agreement was reached in which Alberic married Hugh's daughter Alda. This union produced a son named Octavian, the birth name of Augustus. Some time before his marriage to Alda, Alberic sent Benedict Campaninus to obtain a dynastic marriage for him from the
Byzantine Empire, but he was unsuccessful. ==Death and legacy==