 She also appeared in Warsaw with the German National Radio Orchestra (Kurt Henkels, conductor).In Vilnius in 1939 Mirska secretly married Jan Zielenewski, an officer in the Merchant Marine with whom she had corresponded since 1938, and with whom she described having fallen in love at first sight upon meeting him in Vilnius for the first time.The couple planned for a formal ceremony later, after his anticipated return from military exercises in Bydgoszcz to where he was posted.