She and her team of twenty-five organized to smuggle out as many children as possible from the Ghetto.
Ten members were to smuggle children out, ten were in charge of finding families to take the children, and five were in charge of obtaining false documents.
Many in the Ghetto thought that Treblinka was a relocation settlement.
She takes the crying baby into her arms, turns her back on the hysterical mother, and walks off into the night. Irena did all she could to ensure that "her children" would have a future as part of their own people. Sendler listed the name and new identity of every rescued child on thin cigarette papers or tissue paper.
Others were saving Jewish children, too, but many of those children were saved only in body; tragically, they disappeared from the Jewish people.
(Decades later, under Communist rule, she was considered a subversive; her son and daughter were refused entry into Warsaw University.) In fall of 1939, Germany invaded Poland and began its campaign of mass destruction. Although Jews had never been accepted by the Polish masses, many of them had fought alongside their Polish countrymen during the few days before the country was overrun. They distributed meals and gave financial assistance and other services to the poor, elderly, and orphans.
From 1939–1942, she was involved in acquiring forged documents, registering many Jews under Christian names so they could receive these services; she listed them all as typhus and tuberculosis victims, to avoid any investigations. Irena joined the Zegota, the Council for Aid to Jews, organized by the Polish underground resistance, operating out of London with the help of many British Jews.