Gérard de Sède was active in the war, during the German occupation of Paris, and worked with the Forces Françaises de l'Intérieur (FFI), for which he received two citations.
Gérard de Sède was active in the war during the German occupation of Paris. Despite his parents supporting the Vichy regime, he worked with the Forces Françaises de l'Intérieur (FFI), for which he received two citations.