The epitaph plaque dedicated to Anna Remer, who deceased in 1831, was funded by her sister and made of the so-called black Dębnik marble.
Agata Felczyńska, "Epitaph plaque of Anna Remer", [in:] "The Sacred Lesser Poland Heritage", 2024, source: https://sdm.upjp2.edu.pl/en/works/epitaph-plaque-of-anna-remer