Side altar is decorated with the statue of St. John the Evangelist. He is depicted in a non-typical manner, i.e. making a sign of the cross over the chalice of poisoned wine. Its form has the baroque tradition, which is primarily reflected by the characteristic arrangement of folds for robes.
Agata Felczyńska, "St. John the Evangelist ", [in:] "The Sacred Lesser Poland Heritage", 2021, source: https://sdm.upjp2.edu.pl/en/works/st-john-the-evangelist-16