Portrait of Anna Fredericx, wife of Jan Roose

Portrait of Anna Frederix, wife of Jan Roose, painted in 1622 and held at the Royal Museums of Fine Arts of Belgium, is the companion piece to the Portrait of Jan Roose (also 1622, same collection), completing the pendant pair that documented this Antwerp couple. Pendant portraits — husband and wife on separate but compositionally linked canvases — were the standard format for commemorating prosperous Flemish marriages in the seventeenth century. The survival of both pendants in the same collection is relatively rare; many pendant pairs were separated in the centuries following their creation. Anna Frederix's portrait, like her husband's, would have been conceived to hang as a mirror image — the couple facing each other across whatever wall space separated the two works. De Vos coordinates the compositional elements between the pendants: light direction, eye level, format, and tonal register must all correspond. The Royal Museums of Fine Arts of Belgium holds both works, allowing the intended relationship to be appreciated in person, one of the few places where de Vos pendant pairs remain together.

The compositional pendant logic requires Anna Frederix's portrait to face its companion in terms of light and gaze direction. De Vos builds her face with the same warm layering as Jan Roose's portrait, creating tonal harmony across the pair. Her costume — dark dress, elaborate white collar — mirrors the civic seriousness of her husband's image while accommodating the conventions specific to female Flemish portraiture.