sentences:  Definitive form was given to the chapel by Raimondo di Sangro, Prince of Sansevero, who also included Masonic symbols in its reconstruction.Until 1888 a passageway connected the Sansevero palace with the chapel.The chapel received its alternative name of "Pietatella" from a painting of the Virgin Mary ("La Pietà"), spotted there by an unjustly arrested prisoner, as reported in the book "Napoli Sacra" by Cesare d'Engenio Caracciolo in 1623.