Portrait of Isabella Clara Eugenia

Portrait of Isabella Clara Eugenia, painted in 1635 and held at the Royal Museums of Fine Arts of Belgium, is another work from the Pompa Introitus Ferdinandi cycle — the city-wide celebration of Cardinal-Infante Ferdinand's entry into Antwerp. Isabella Clara Eugenia (1566–1633) had been the Governor-General of the Spanish Netherlands from 1598, along with her husband Albert VII, and together they presided over a period of relative stability and remarkable artistic flowering in Antwerp. She died in 1633, two years before de Vos's commemorative portrait, making this a posthumous likeness based on earlier representations. Isabella was a significant patron of Rubens and other Antwerp artists, and her likeness was widely disseminated through paintings and prints during her lifetime. As a posthumous dynastic portrait for the Pompa Introitus cycle, de Vos's image participates in the Habsburg project of constructing a visual memory of legitimate governance. The Royal Museums of Fine Arts of Belgium holds the core collection of these Pompa Introitus portraits.

De Vos constructs Isabella's image from established portrait iconography, combining the formal sovereignty of her court dress with the Flemish painterly tradition she patronized during her lifetime. The dark background and formal positioning follow conventions for dynastic female portraiture. The handling is assured and respectful, balancing commemoration with the dignity appropriate to a revered sovereign.