Named in a Yad Vashem testimonial which identifies his place in the family. According to another Yad Vashem archive record, Hans was born on 10.03.1925 in Ratibor, lived in Berlin and previously lived in Gross Strehlitz; these facts accord with a letter dated 27 August 1939 to Hans' sister Ilselotte sent from Gross Strehlitz and giving an address in Berlin.