 In March, Katharina, Luther's wife, became godmother to one of Karlstadt's children.Karlstadt was not allowed to preach or publish, and supported his family as a farmer and peddler near Wittenberg until 1529.Some of the Protestant reformers, in particular Andreas Karlstadt, together with Huldrych Zwingli and John Calvin encouraged the removal of religious images by invoking the Decalogue's prohibition of idolatry and the manufacture of graven images of God.