 On 31 May 1808 she left Vienna and met with Prince Tufiakin in Munich on 3 June.Subsequently she worked for several years at the Imperial German Court Theatre in St. Petersburg.As the Wiener "Theater-Zeitung" reported, "Demoiselle Louise Müller" then appeared on 9 January 1816 "after a seven-year absence for the first time, and made her debut in the role of Marianne, which she played here in 1807 when the opera was given on 5 September for the first time at the Theater an der Wien, with general applause.“ The Viennese correspondent of the "Allgemeine Musikalische Zeitung" writes about the same performance that her voice had "suffered a lot, and has almost disappeared".