The painting features Willem II, Prince of Orange, and his wife Mary Stuart. They are depicted in elegant attire, with rich colors dominating the scene. Willem wears a dark, ornate outfit, while Mary is dressed in a luxurious gown adorned with lace.

The background is softly rendered, focusing attention on the couple's expressions and attire. Gerard van Honthorst employs oil on canvas for this portrait, a common medium during the Dutch Golden Age. The use of light and shadow is notable, creating depth and dimension in the figures. The intricate details in their clothing showcase Honthorst's skill in rendering textures.

The composition is balanced, with both figures positioned centrally, drawing the viewer's eye. Gerard van Honthorst was a prominent artist of the Dutch Golden Age, known for his dramatic use of chiaroscuro. This painting reflects the artist's ability to capture the personalities of his subjects through their expressions. An interesting fact about this work is that it was likely commissioned to celebrate the couple's marriage, highlighting their status in society.

Honthorst's portraits often convey a sense of intimacy, making this piece particularly engaging.