He tried to legitimise his rule by marriage to the widow of his Lombard predecessor, but after his expulsion by his Norman overlord, the prince of Capua, Richard I, it was not necessary for any subsequent dukes to legitimise themselves: the Normans had established their power.
Ta püüdis oma võimu seadustada abieluga oma langobardist eellase lesega, kuid pärast tema väljasaatmist tema normanni isanda, Capua vürsti Riccardo I poolt ei olnud järgnevatel hertsogitel enam vaja end seadustada: normannid kehtestasid oma võimu.