He was obliged, indeed, for the sake of his endangered authority, to proceed against the Anabaptists in the city of Münster; but he did little for the restoration of the Faith, and at last joined the Smalkaldic League.
Ta pidi oma ohustatud võimu huvides tõepoolest astuma anabaptistide vastu Münsteri linnas; kuid ta tegi vähe usu taastamiseks ja ühines lõpuks Schmalkaldeni liiduga.