 In Germany, however, Evert Wilhelm Taube died in Carlsbad, which was reportedly a great sorrow for her.In 1800, her mother died, and her brother Axel von Fersen the Younger returned to settle in the family residence in Stockholm, after which Sophie Piper resigned as chief lady in waiting of duchess Charlotte with the motivation that she was now to settle in her childhood home with her brother, who was unmarried, and keep his household and be his hostess.After the deposition of Gustav IV Adolf of Sweden in 1809, the Fersen siblings were known supporters of the Gustavian Party, who wished for the son of the deposed monarch to be acknowledged as heir to the throne.