was designed in 1834 by Henryk Marconi and constructed between 1834-1836 by Jakub Tatarkiewicz and Konstanty Hegl, made entirely of sandstone. The mausoleum features a Neo-Gothic canopy with lions holding shields bearing the crests of the Potocki and Lubomirski families in each corner. The sarcophagus displays figures of the deceased and symbols of their virtues and interests are displayed around the sides. This mausoleum is a fitting tribute to two of Poland's most powerful, wealthy, and influential families.