Portrait of Ernst Casimir (1573-1632), Count of Nassau-Dietz

Rendered in oil on canvas, the painting showcases Mierevelt’s characteristic precision in rendering fabrics and facial features. A crisp white ruff frames the sitter’s face, while a black jacket with gold‑studded buttons and a gold sash over the left shoulder are depicted with subtle chiaroscuro, allowing the figure to emerge from a muted background.

Although Ernst Casimir died in 1632, the portrait was completed circa 1700, likely as a posthumous commission based on earlier likenesses. The canvas entered the Rijksmuseum’s collection, where it remains part of the museum’s representation of Dutch portraiture from the early modern period.

Miirevelt’s career coincided with a flourishing market for elite portraiture in the Dutch Republic, where civic leaders and aristocrats sought visual affirmations of their rank. This work reflects the broader trend of sober, dignified representations that emphasized personal virtue and authority rather than lavish ornamentation.