What was the king whose mistress was Elżbieta Branicka criticized of as the last king of the Commonwealth?
Elżbieta Branicka: Elżbieta Branicka (c.1734-1800) was a Polish noble lady, political plotter, mistress of King Stanisław August Poniatowski. Stanisław August Poniatowski:  He is criticized primarily for his failure to stand against the partitions, and thus to prevent the destruction of Poland.
i don't know