Career
Her uncle Stanisław August Poniatowski was King of Poland. Konstancja married Ludwik Tyszkiewicz on April 4, 1775 in Warsaw. Her daughter Anna married Count Aleksander Stanisław Potocki on 15 May 1805 in Wilno.
Her uncle Stanisław August Poniatowski was King of Poland. Konstancja married Ludwik Tyszkiewicz on April 4, 1775 in Warsaw. Her daughter Anna married Count Aleksander Stanisław Potocki on 15 May 1805 in Wilno.
