 He brought Western monasticism to the island by requesting monks from Abbot Desiderius of Montecassino and in this he was supported by both Pope Alexander II and Godfrey the Bearded, Margrave of Tuscany, though the archdiocese of Pisa, thitherto chief religious influence on the island, opposed it.The monks had spiritual, scholastic and military roles.On the death of Barisone I, Arborea chose its own judge in Marianus de Zori, while the Logudorese chose Andrew Tanca.