In 1058 he participated in the election of Pope Nicholas II but on his death in 1061, he sided with the imperial party to elect Cadalous of Parma as Antipope Honorius II against Pope Alexander II.
En 1058 participou na elección do papa Nicolao II pero coa súa morte en 1061, asociouse co partido imperial de antirreforma Transpadino para establecer a Cadalo de Parma como o antipapa Honorio II opositor do papa Alexandre II.