From miracle story to family mausoleum
The chapel begins with a local miracle legend. Around 1590, a man in chains is said to have seen a Marian image appear by the wall of the di Sangro palace near Piazza San Domenico Maggiore; the devotion that followed led first to a small votive chapel. In 1613, Alessandro di Sangro enlarged it into a family mausoleum, which gave the site the durable shape visitors still read today.
Raimondo di Sangro rebuilt the chapel as a symbol machine
The current emotional and visual force of Cappella Sansevero mostly belongs to Raimondo di Sangro in the 1740s. He reorganized the chapel almost entirely, commissioning sculpture, painting, and floor design so that dynastic pride, spiritual allegory, and controlled theatricality would work together. That is why the room feels so dense: nearly everything points back to one mind's obsessive program.
The Veiled Christ is the emotional center
At the middle of that program stands Giuseppe Sanmartino's Veiled Christ, locally the Cristo velato, from 1753, one of the most admired sculptures in Naples. The extraordinary marble veil stops people first, but the real effect is quieter: grief, tenderness, and impossible technical control all arrive at once. This is the moment that makes the chapel more than a curiosity.
Disillusion and the Anatomical Machines change the ending
Francesco Queirolo's Disillusion, completed in 1753-54 AD, adds moral drama and family biography to the visit, while the Anatomical Machines in the Underground Chamber pull the mood toward experiment and unease. One shows virtuoso liberation from nets and error; the other shows the prince's world brushing against science, display, and myth. Ending with both is why the visit stays in your head longer than its size suggests.