 At 18, Lotte was dancing with prominent companies, for famous choreographers and conductors including Carl Ebert, Bruno Walter and Fritz Busch, and at such events as the Salzburg Festival in Austria.In 1933 she married a fellow dancer, Ernst Berk, and their daughter Esther was born the following year.With the rise of Nazism in the 1930s they fled Germany and because her husband had a British passport, the family was able to live in England, where Berk worked as a model at Heatherley School of Fine Art and danced at Covent Garden for Marie Rambert.