In 1810, Seuerling joined her mother in Finland, which was now a part of Russia, and performed in her mother's theatre troupe. In 1811, her mother met with financial difficulties. They were then both put under the protection of the Russian empress dowager, Maria Feodorovna (Sophie Dorothea of Württemberg), who had heard of Seuerlings reputation as a harpist, and each received a pension of 600 rubles. Charlotta moved to Russia, where she assisted in the development of Valentin Haüys Institute for the Blind in Saint Petersburg, where she received a position.