The figures occur in the center and right of the central scene from the Story of Niobe, formerly on the facade of the Palazzo Milesi, Rome. The decorative pen-and-wash technique and Salviatesque style suggest the copyist may have been the Tuscan, Marco Marchetti.

Turner, Nicholas, From Michelangelo to Annibale Carracc: a century of Italian drawings from the Prado, Virginia, Art Services International, 2008, p.358