 The effects of the Thirty Years’ War struck soon afterwards, and Köben was plundered by Catholic troops in 1632, 1633, 1634 and 1642, and Heermann lost his worldly possessions several times.In 1634, his illness prevented him from preaching altogether, and he no longer read out his sermons in church.On doctor's advice, he moved across the border to Poland, to Leszno, where he died on 17 February 1647.