Paula Wolf was one of the seven children of Leopold Isaac and Olga Gumpel. The Isaac family changed its name to Wolf in 1924, because Leopold was one of the Wolf Brothers, a popular vaudeville group from Hamburg. The family also owned several theatres in that city. In 1938, after Paula married Fritz Stern, the two of them moved to Rappstrasse 21 in Hamburg. The apartment was near the large synagog…