She almost invariably danced with her sister Therese, who was 2 years her senior; the sisters studied dancing with Jean-Pierre Aumer and Friedrich Horschelt beginning when Fanny was 9 years old, also traveling to Naples to study with Gaetano Gioja.
Case sempre bailaba coa súa irmá Therese, dous anos máis vella; as irmás estudaron danza con Jean-Pierre Aumer e Friedrich Horschelt, comezando cando Fanny tiña nove anos e tamén viaxaron a Nápoles para estudar con Gaetano Gioja.