The paintings located in back choir-stalls in the chancel were created in the first half of the 19th century. Saint Joseph was Mary's betrothed and guardian and protector of Jesus, therefore, he is depicted with Baby Jesus. He is portrayed as a mature man or old man.
Paulina Kluz, "St. Joseph and the Child", [in:] "The Sacred Lesser Poland Heritage", 2025, source: https://sdm.upjp2.edu.pl/en/works/st-joseph-and-the-child-10