After the 1637 death of the last Pomeranian duke, Bogislaw XIV, Köslin passed to his cousin, Bishop Ernst Bogislaw von Croÿ of Kammin, and fell to Brandenburg-Prussia after the Treaty of Westphalia in 1648.
Köslin passed to his cousin. This was after the 1637 death of the last Pomeranian duke. Köslin fell to Brandenburg-Prussia after the Treaty of Westphalia in 1648. This was after the 1637 death of the last Pomeranian duke. Bishop Ernst Bogislaw von Croÿ of Kammin was his cousin. The last Pomeranian duke was Bogislaw XIV.