 Geneviève de Gaulle joined the Resistance after the occupation of France in June 1940 and expanded its publicity networks, in particular that of "Défense de la France".She was arrested by Pierre Bonny of the French Gestapo on 20 July 1943, imprisoned in Fresnes and deported to Ravensbrück concentration camp on 2 February 1944.Her fellow-prisoners included Jacqueline Fleury and Germaine Tillion.