In August 1942 at the Umschlagplatz. She managed to save herself thanks to a doctor's lab coat together with her sister (the Esperanto author's sister-in-law) and nephew
Iwaszkiewicz, Joanna Wtedy kwitly forsycje. Pamieci dzieci - ofiar Holocaustu (Forsythias Were then in Bloom. In Memory of Children - Victims of the Holocaust)