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.