Dora came to the Netherlands with a Kindertransport on January 4th, 1939. Dora stayed at many different addresses before moving in to the girls orphanage in Amsterdam in June 1940.
Her father, Kalman, born on December 17th, 1892 in Chrzonow, was a taylor in Berlin. He died in Sachsenhausen in February 1940. Her mother was Erna Haber, born on May 25th, 1901 in Gwozez. She was killed in Auschwitz in 1943.
Dora's brother Atze was killed in April 1941.
Source: National Archive, 2.04.58, inv 130 and others
Addition