Although Berengar had the advantage of being allied with the Carolingian family, and of having been crowned as king of Italy in 887, from 888 Guy was closer to Rome, and had already allied himself with Pope Stephen V, who had described Guy “as his only son”.
Cu toate că Berengar avea avantajul de a fi aliat cu Carolingienii, și de a se fi încoronat deja ca rege al Italiei din 887, din 888 se apropiase de Papalitate, aliindu-se cu papa Ștefan al V-lea, care îl denumea pe Guy ca fiind "singurul său fiu".