Marc de Cacqueray-Valmenier is a neo-Nazi fascist activist, one of the leaders of les Zouaves Paris and former Groupe Union Défense (GUD) member.

https://www.franceinter.fr/justice/meeting-d-eric-zemmour-un-deuxieme-membre-du-groupuscule-d-extreme-droite-zouaves-paris-interpelle

https://www.liberation.fr/france/2020/10/30/extreme-droite-le-patron-des-zouaves-paris-part-combattre-au-haut-karabakh_1803962/?redirected=1