The title of giudice was abolished and a feudal marquisate substituted.
Frederick fled for Lombard his life by the Mont Cenis, and in 1168 the town of Alessandria was erected to keep Pavia and the marquisate in check.
His grandson, Louis Duverger, seigneur de La Rochejacquelein, was a devoted adherent of Henry II., and was badly wounded at the battle of Arques; other members of the family were also distinguished soldiers, and the seigniory was raised to a countship and marquisate in reward for their services.
In the middle ages Ivrea was the capital of a Lombard duchy, and later of a marquisate; both Berengar II.
He proved his skill in the negotiations concerning the marquisate of Saluzzo and the town of Genoa.