Portrait of Ernest, Archduke of Austria (1553-1595)

Portrait of Ernest, Archduke of Austria (1553–1595), painted in 1635 and held at the Royal Museums of Fine Arts of Belgium, is another posthumous dynastic portrait from the Pompa Introitus Ferdinandi cycle — the same commission that produced the 1635 Portrait of Albert VII. Ernest had been Governor-General of the Spanish Netherlands from 1593 until his death in 1595, a brief but symbolically important tenure. De Vos's posthumous portrait draws on existing iconography, constructing Ernest's image from established portrait models rather than life sittings. The Pompa Introitus was an exercise in Habsburg historical memory as much as contemporary celebration: by representing the dynasty's rulers across generations, the cycle asserted the deep legitimacy and continuity of Habsburg governance in the Netherlands. De Vos executed multiple panels in this cycle, working under the overall artistic supervision of Rubens who designed the broader decorative programme. The Royal Museums of Fine Arts of Belgium holds the largest concentration of these Pompa Introitus portraits, allowing comparison across the cycle.

Working from existing portrait iconography rather than life observation, de Vos constructs the image through careful synthesis of established formulae for Habsburg dynastic portraiture. Armour and the chain of the Order of the Golden Fleece are standard markers. The handling is assured and efficient, consistent with a painter working through a large cycle of commemorative portraits under time pressure.