 In 1540 CE it adopted the reformation but remained a part of the Imperial Knights until 1803 CE when it was taken in by the duchy of Württemberg.The community Prevorst as well as the Lichtenberg castle were taken over by the dukes of Württemberg from the count of Lichtenberg in 1357 CE, (A few years before in (1350 CE) they had acquired Gronau from the Margraves of Baden, and from this time Prevorst belonged to Gronau).The three villages were conjointly assigned to the Marbach since 1810 CE.