The Senators of Florence swearing Allegiance to Ferdinando II de' Medici

Sustermans employed chiaroscuro to create depth and drama, contrasting the dark tones of the senators' robes with the lighter hues of the woman's dress and the background. The composition features varied poses and a grand, dimly lit setting with architectural elements.

Commissioned by the Medici, the painting was later acquired by the Ashmolean Museum, where it is currently held. Sustermans' work for the Medici led to recognition from the Holy Roman Emperor Ferdinand II.

As court painter, Sustermans primarily focused on portraits of the Medici family. This work reflects his ability to capture formal, ceremonial moments, characteristic of early Baroque's emphasis on grandeur and solemnity.

While specific lasting impacts of this painting are not widely documented, it remains a notable example of Sustermans' courtly work and early Baroque style in 17th-century Italy.