sentences:  From 1723 to 1725 Spiegler painted frescoes in the Ottobeuren Abbey that show the strong influence of the Italian painter Jacopo Amigoni (1682–1752).Later he also created frescoes and oil paintings for numerous monasteries, churches, and castles in the regions of Upper Swabia, Lake Constance, the Black Forest, and the Upper Rhine.In 1757 Spiegler died in Konstanz.