This is a list of counts, and later dukes of the county and duchy of Ayen.
The title of count of Ayen was created in ...
The title of duke of Ayen was created in 1737 for the benefit of Louis, duke of Noailles by the elevation of the county of Ayen to duchy. The heir presumptive of the duchy of Noailles is bestowed with this title.
The heir-apparent is his son, Emmanuel Paul Louis Marie, Duc d’Ayen (b. Washington 14 February 1983)