Lived until at least late 1930s with family in Berlin. In the 1931 Jewish Adressbook as Benzin, but in the Berlin Adressbook as Bernhard. The family lived at Blumenthalstr. 2 in Berlin-Friedrichshain, today Kinzigstr., later ca. 1938 Brauner Weg 71 in Mitte, today Singerstr.