… in Upper Germany and in Reformed Switzerland. The German church-based movement, pioneered by Theodor Undereyk, a Reformed pastor, was influenced by Swiss, Dutch, English, Scottish and North German Reformed teaching. Undereyk’s work spread from the Ruhr district into neighbouring countries, including Belgium whose persecuted Protestants were given asylum in Mülheim. This pietism was grounded in the balanced belief that doctrine must go hand in hand with a godly, active Christian life. …