 On November 2, 1754, Bohemian Queen Maria Theresa of Austria created the Duchy of Bielsko ("Herzogtum Bielitz").The next owners of the nominal Duchy had the right to the title of "Herzog" (Duke), while other members of the family were titled "Fürst" (Prince).Aleksander Józef was the progenitor of the Bielsko line and the first of the Bielsko ordynats.