Kostka Potocki had expanded the palace, with plans drown by architect Chrystian Piotr Aigner.

[1][2][3] Between 1832 and 1840, it was leased by physician Jan Fryderyk Wilhelm Malcz, and later, it was shortly owned by Potocki family.

The tympanum included the Ślepowron coat of arms (symbol of Krasiński family), and sculptures of children, symbolising four seasons of the year.

In 1921, the palace was inherited by Edward Bernard Raczyński, who then donated it to the Ministry of Religious Affairs and Public Education.

[3] In 1956, the Council of Ministers have given the palace, and the surrounding area, to the Warsaw University of Life Sciences, which had developed there their campus.

[1][2][3] Located at 166 Nowoursynowska Street, it forms part of the campus of the Warsaw University of Life Sciences, and is the seat of its authorities.

Dating to the times of Julian Ursyn Niemcewicz, and being of the North American species, the tree is speculated to have been planted from the seeds that he had received from George Washington, the first president of the United States.