Julius (Jehuda) had six siblings, several were involved in the textile trade and departments stores in Germany.
[2] In 1891, he founded a shoe store in Oranienstraße in Berlin-Kreuzberg with his uncle Hermann Leiser.
Due to antti-Jewish laws, he was forced to sell 75 percent of his business to the German entrepreneur Bahner.
[6][7] In 1945, in postwar restitution proceedings Klausner recovered fifty percent of his former business in Germany, but he remained in Argentina.
[8] An exhibition panel in the Friedrichshain-Kreuzberg district museum tells the story of Julius Klausner and his first shoe store in Oranienstraße.