François de Borgia devant le cercueil d'Isabelle de Portugal

François de Borgia's encounter with the decomposed face of Empress Isabella of Portugal — an event said to have precipitated his decision to renounce the world and enter the Society of Jesus — was a powerful subject for painters interested in the relationship between mortality, power, and spiritual transformation. Francisco de Borja, Duke of Gandía and later canonized as Saint Francis Borgia, had been one of Charles V's most trusted courtiers and the guardian of the imperial family. When he accompanied Isabella's body from Toledo to Granada in 1539 and was asked to confirm the identification of the decomposed remains, the experience reportedly shook his faith in worldly ambition. Laurens's treatment of this subject at Brest engages with the same fascination with mortality and institutional power that drove his Merovingian and papal series, but here inflected through Counter-Reformation Iberian piety. The subject was also treated by other painters, most famously by Goya, and Laurens's version offers a French academic response to a theme with strong Spanish cultural associations.

Laurens constructed the composition around the moment of recognition and horror, Borja's figure recoiling from the coffin's contents while maintaining the ceremonial posture demanded by his official role. The contrast between ducal finery and the visible deterioration in the coffin creates the painting's central visual tension. The palette moves from warm living colors at the edges toward the cooler, grayer tones around the coffin's contents.