Nico Prins had gone into hiding with his wife Suze Kogel and four others in the Valeriusstraat in Amsterdam, namely Lodewijk Jack Gompertz, his grandmother Kaatje Gompertz-Goudsmit, Saliena Vos and Heinz Alex Schulenklopper. They were given up to the police and were picked up on 22 September 1943 by…