sentences:  In 1843 the Austrian Polish count Antoni August Halka Ledóchowski, a brother of the later Archbishop and Cardinal Mieczysław Halka Ledóchowski, acquired the estate Sitzenthal near Loosdorf.He was married to Countess Seilern and they had three sons, Timothy, Anthony, and Casimir.After the early death of his first wife, he married Countess Josephine Salis-Zizers.