Claire Waldoff
Claire Waldoff , born Clara Wortmann, was a German singer. She was a famous kabarett singer and entertainer in Berlin during the 1910s and 1920s, chiefly known for performing ironic songs in the Berlinish dialect.
Wortmann was born the eleventh child ofin Gelsenkirchen, Westphalia, were her parents owned a tavern. After completing Gymnasium school in Hanover, she trained as an actress and chose as her pseudoynm Claire Waldoff. In 1903, she got her first theatre jobs in Bad Pyrmont and in Kattowitz , Silesia. In 1906, Waldoff went to Berlin, where she performed at the FigaroTheater on Kurfrstendamm. In 1907, she also began a working as a cabaret singer.
Source: Wikipedia