 According to some sources, Elżbieta Szalewska had a liaison with Augustus II the Strong and bore him an illegitimate son.Her husband, Stanisław Sułkowski, gave this child, Aleksander Józef Sułkowski, his last name.On March 18, 1754, he gained from Queen Maria Theresa of Austria the title of "Reichsfürst", along with the right of primogeniture.