**Pieter de Bailliu** (1613 – after 1665) was a Flemish engraver active in Antwerp during the seventeenth century. Born in Antwerp, he trained in his native city before traveling to Rome for further study, later returning to work primarily in Antwerp. His career centered on reproductive printmaking, through which he reproduced compositions by leading Flemish masters.
De Bailliu specialized in engravings after paintings and drawings by artists such as Peter Paul Rubens and Anthony van Dyck, helping disseminate their dynamic Baroque styles across Europe. His prints often captured the dramatic movement, rich color, and emotional intensity of these originals in the medium of engraving. He also created works after other contemporaries, including designs by Peter van Lint, demonstrating versatility in translating painted and drawn sources into detailed prints.
Among his known works are engravings such as *Saint Mary Magdalene in Ecstasy, Supported by Two Angels* (ca. 1630–60) and biblical scenes like *Christ on the Mount of Olives*. These pieces reflect the Counter-Reformation emphasis on religious subjects rendered with vivid expression. De Bailliu’s output contributed to the vibrant print culture of Antwerp, where reproductive engravings played a key role in the art market.
Though less celebrated than the painters whose works he reproduced, de Bailliu’s engravings helped preserve and popularize Flemish Baroque imagery. His career, spanning from the 1630s into the 1660s, exemplifies the important supporting role of printmakers in the artistic ecosystem of seventeenth-century Flanders.
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