Lena and Fritz arrived in the Netherlands on December 11th, 1938. Their father Abraham fled Germany at the same time. But he was interned in camps for illegal refugees, so the children were taken to children facilities. Mother Klara Brzemner or Brezezina, born in Pilak on 16.9.18999, was in France with her daughter.
Source: National Archive, 2.04.58, inv 130 and others