Charles Emmanuel I, Duke of Savoy
By this marriage she also became a princess of Savoy, having married into a cadet branch of the reigning dukes of Savoy. Her husband was a descendant of the princes of Carignano, which been raised by Charles Emmanuel I, Duke of Savoy, into a principality as an appanage for his third son, Thomas Francis. The house of Carignano developed two junior branches, those of Soissons and Villafranca.