Helmuth was a German refugee. Together with his brother he came to the Netherlands in December 1938. He lived at the quarantine station Beneden Heijplaat in Rotterdam, at the Vondelhof in Amsterdam, at the Dommelhuis in Eindhoven, in Huis ten Vijver in Scheveningen. When this house was abolished he moved in with his father in The Hague.
His mother, Kathi Crohn, born in 1894 in Köslin, was deporte…