context: Albrekt Brandenburg, May 17, 1490 - March 20, 1568) was the 37th Grandmaster of the German Order and at the same time the head of the Knighthood ruled by the Order since 1510. When he converted to Lutheranism in 1525, the Order became a secular Duchy of Prussia Albrekt then worked until his death. [1] [2] The Duchy comprised roughly the area that later became known as East Prussia, the southern part of which is now part of Poland, while the northern part of the country forms a distinct exile in Kaliningrad. Albrecth was the first European ruler to take Lutheranism or any Protestant tendency as a state religion.
question: Who founded Prussia?
answers.text: Albrekt Brandenburg