Background
Johann was born in Saint Margarethen near Rosenheim, Bavaria, a member of the famous Dientzenhofer family of German architects, who were among the leading builders in the Bohemian and German Baroque which included his brothers Georg Dientzenhofer (1643–1689), Wolfgang Dientzenhofer (1648–1706), Christoph Dientzenhofer (7 July 1655 – 20 June 1722) and Leonhard Dientzenhofer (1660–1707), Johann"s son Justus Heinrich Dientzenhofer (1702–1744) and his nephew Kilian Ignaz Dientzenhofer (1689–1751).