The viscounty of Carcassonne, together with that of Beziers, was confiscated to the crown in 1247, as a result of the part played by the viscount Raymond Roger against Simon de Montfort in the Albigensian crusade, during which in 1209 the city was taken by the Crusaders (see Albigenses).
As Gaston left only daughters, the viscounty passed at his death to the family of Foix, from whom it was transmitted through the houses of Grailly and Albret to the Bourbons, and they, in the person of Henry IV., king of Navarre, made it an apanage of the crown of France.
Albi (Albiga) was, in the Gallo-Roman period, capital of the Albigenses, and later of the viscounty of Albigeois, which was a fief of the counts of Toulouse.
Thus the viscounty became extinct on his death, but the English and Irish baronies descended to his elder daughter Margaret (1788-1867), who married the Comte de Flahault de la Billarderie, only to become extinct on her death.
It was conquered by the Vascones in the 6th century, and in 819 became a viscounty dependent on the dukes of Aquitaine - a feudal link which was broken in the 11th century, when the viscounts ceased to acknowledge any suzerain.
Argentan was a viscounty from the 11th century onwards; it was often taken and pillaged.
The earldom, and the viscounty of the United Kingdom, being limited to heirs male, became extinct, but the barony, being to heirs general, passed to his daughter, Sophia Charlotte (1762-1835), who married the Hon.