Jana Cerná, born Krejcarová, called "Honza" ("Jack") by her mother, (1928–1981), was a daughter of the journalist Milena Jesenská and Jaromír Krejcar.
She was a Czech poet and writer herself.
After the communist coup d'état of 1948 she started publishing with her friends Egon Bondy, Ivo Vodsedalek and others in a secret underground edition Pulnoc.