 The 4th chapel has an altarpiece of "St. Louis" G.B.Carlone ; on the walls, two episodes from the life of the saint, attributed to Claudius Francisco Beaumont; the vault is frescoed with "Sant'Andrea adores the Cross" by Domenico Fiasella.The 5th chapel has an altarpiece of "St. Peter of Alcantara adores the Cross" by G.B.