[2][3][4] The bust is indicative of a close collaboration between artist and commissioner, which lends credit to Gian Pietro Bellori's claim that Duquesnoy "became well-favored" by Maurizio.

[1] Bellori wrote about the work: "Prince Maurizio, Cardinal of Savoy, made in marble in the year 1635.

[1] In the 1630s, Duquesnoy suffered from gout, attacks of vertigo and depression, which would debilitate him until his untimely death in 1643.

[6] Bellori reports that while installing the Saint Susanna's metal palm, Duquesnoy had an attack of vertigo, fell from the ladder, and almost lost his life.

[6] According to Estelle Lingo, "Maurizio may have seen in this highly refined carving something akin to Van Dyck's ability to endow his sitters with a noble elegance conveyed by the paintstrokes themselves".