found: CIA World fact book online, Oct. 1, 2015:Benin (location: Western Africa, bordering the Bight of Benin, between Nigeria and Togo; nationality: Beninese (singular and plural), noun; Beninese, adjective)
found: Merriam Webster online, Oct. 1, 2015:Benin (def. 3: formerly Dahomey; country W Africa on Gulf of Guinea; a republic, formerly a territory of French West Africa official; adjective or noun: Beninese)
found: Le petit Robert des noms propres, 2014(Bénin: Béninois)
found: Dugas, J.-Y. Dictionnaire universel des gentilés en français, 2006(Bénin: Béninois, Béninoise. Variant: Béninien, Béeninienne. See also Dahomey; Dahomey: Dahoméen, Dahoméenne. Formerly the designations Dahomiens or Dahomans were used)