Mr. Benjamin lived at Elsässer Str. 58 in Berlin-Mitte at some point in the 1930s (Berliner Gedenkbuch). According to his brother's testimonial at Yad Vashem, he was at Werkdorp Wieringen.
Addition
Mr. Benjamin lived at Elsässer Str. 58 in Berlin-Mitte at some point in the 1930s (Berliner Gedenkbuch). According to his brother's testimonial at Yad Vashem, he was at Werkdorp Wieringen.