These three provinces were ultimately lost to Congress Poland after the Congress of Vienna in 1815, except for the western part of South Prussia, which would form part of the Grand Duchy of Posen.
Finalmente, esas tres provincias foron perdidas en favor do Reino do Congreso despois do Congreso de Viena en 1815, excepto a parte occidental de Prusia do Sur, que formaría a provincia de Pousen.