Alençon, Counts and Dukes of, a title borne by several members of the house of Valois—e. g. Charles of Valois, who fell at Crécy (1346); Jean IV., who fell at Agincourt (1415).
Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)
Alençon * Alep`po