The painting of St. Joseph with Baby Jesus was painted by J. Walatka in 1934. Saint Joseph was Mary's betrothed and guardian and protector of Jesus, therefore, he is depicted with Baby Jesus. His attribute is the lily, for he lived in chastity.
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-9