 Leopold took up the government by a "Landeshauptmann" deputy, despite the claims of George William's morganatic uncle Count August of Legnica, and had several Counter-Reformation measures implemented.Duchess Louise retained her lands of Oława until her death in 1680, when they were also incorporated into the Bohemian lands.The independent Masovian Piasts had died out in 1526, while the Teschen (Cieszyn) line had become extinct in 1653.