Pieter Donker was a Dutch Golden Age painter.

Biography

According to Houbraken he travelled to Antwerp, Frankfurt, and Rome with his brother Jan Donker. He travelled to Frankfurt where he witnessed the coronation of Leopold, and accompanied Charles III de Créquy to Rome.
According to the RKD he was a pupil of Jacob Jordaens

Jacob Jordaens

Jacob Jordaens was one of three Flemish Baroque painters, along with Peter Paul Rubens and Anthony van Dyck, to bring prestige to the Antwerp school of painting. Unlike those contemporaries he never traveled abroad to study Italian painting, and his career is marked by an indifference to their...

 in 1656-58 in Antwerp. In 1658, at the time of the coronation of Leopold I, Holy Roman Emperor

Leopold I, Holy Roman Emperor

| style="float:right;" | Leopold I was a Holy Roman Emperor, King of Hungary and King of Bohemia. A member of the Habsburg family, he was the second son of Emperor Ferdinand III and his first wife, Maria Anna of Spain. His maternal grandparents were Philip III of Spain and Margaret of Austria...

 he was a portraitist in Frankfurt. His sketches of works by the Italian masters, were later used by Jan de Bisschop

Jan de Bisschop

Jan de Bisschop, also known as Johannes Episcopius , was a lawyer, who became a Dutch Golden Age painter and engraver.-Biography:...

.
In 1664 he travelled from Rome to Naples with Willem Schellinks

Willem Schellinks

-Biography:He traveled to France with Lambert Doomer in 1646. After that he undertook another journey in 1661-1665 as the guide of Heere Jakob Thierry de Jong, a young gentleman on his Grand Tour. According to Houbraken, Schellinks compiled his drawings and notes about this last journey in three...

, Alexander Le Petit, Frederick Kerseboom and G.Sabé. In 1666 he was back in Gouda, where he painted the regents of the Gouda corrections facility.