 Bloch's husband, Frédo Sérazin was arrested in February 1940, under the Daladier government, imprisoned first at the Sisteron fortress in March 1940, then at Châteaubriant, and finally at the Voves camp.He was assassinated by the German militia or the Gestapo in 1944 in Saint-Etienne, France.France Bloch's paternal grandmother, Louise Laure Marie Lévy Bloch, was born in Carling (near the France-German border) on 15 June 1858.