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.
Nevertheless he cheerfully gave his voice in 1814 for the dethronement of his patron, and his "suppleness" merited a seat in the chamber of peers, and, in 1817, the dignity of a marquisate.
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.
Charlemagne made it the capital of a marquisate.