 This never took place, as Zieleniewski died in the opening days of the September Campaign to repulse the Nazi aggression on Poland.After the war, Mirska married Zbigniew Reiniger, the percussionist of the Lopatowski Brothers Orchestra.She remained heartbroken, however, for the rest of her life, often signing letters and correspondence as Marta Mirska-Zieleniewska-Reinigier or Marta Zieleniewski-Reiniger.