It has been claimed that the financial assistance said to have been provided by Jane Stirling and Katherine Erskine was actually from the Swedish soprano Jenny Lind, and that the Scottish sisters were simply a cover for Lind's anonymity.
Det er blevet hævdet, at den økonomiske støtte, som Jane Stirling og Katherine Erskine siges at have ydet Chopin, i virkeligheden stammede fra den svenske sopran Jenny Lind, og at de skotske søstre blot handlede på vegne af den anonyme Lind.