After the occupation of Czechoslovakia by the German army, Jesenská joined an underground resistance movement and helped many Jewish and political refugees to emigrate.
Jana "Honza" Krejcarová, the daughter of Jesenská and Jaromír Krejcar, was a writer for the Czech underground publication Půlnoc in the early 1950s and for Divoké víno in the 1960s [REF].