 Pourbus' smaller work "The Last Supper" indicates that his father-in-law also introduced him to the "Rederijker" or rhetorician circles of amateur poets and reciting artists.A rare iconography is noticeable with the figure of a devil entering the room on the right of the painting.His triptych "The Baptism of Christ", which dates back to 1549 and now hangs in the Museo del Prado in Madrid, is one of the most famous examples of his early work.