Israël Tiefenbrunner, known as Isi, arrived in the Netherlands as a German refugee on 14 December 1938 and stayed at 321 Zeeburgerdijk in Amsterdam, an address for Palestine Pioneers. He was sent from there to 93 Schelmseweg in Arnhem, an assembly point for Palestine Pioneers. On 15 December 1939 he moved to the youth aliyah home at the Hof van Moerkerken in Mijnsheerenland. When this home was clo…