The Grand Master of the Teutonic Knights, Siegfried von Feuchtwangen, who arrived in Marienburg from Venice, undertook the next phase of the fortress' construction. In 1309, in the wake of the papal persecution of the Knights Templar and the Teutonic takeover of Danzig, Feuchtwangen relocated his headquarters to the Prussian part of the Order's monastic state.
The Grand Master of the Teutonic Knights, Siegfried von Feuchtwangen, who came from Venice to Marienburg, started the next phase of constructing the fortress. Following the papal persecution of the Knights Templar and the Teutons' control of Danzig in 1309, Feuchtwangen moved his headquarters to the Prussian part of the Order's estate.