 From April 1817 to November 1827 and from January 1831 to January 1834 she was allegedly engaged again in the German theatre in Petersburg.The mother Ludovica Müller-Spieß, who is partly confused in literature with her daughter, was born around 1763 in Wetzlar.She worked at the Theater an der Wien until 1806 and later at the Theater in der Leopoldstadt.