sentences:  Christian IV also had the "Fronbotenlinie" (a trail whose name means, roughly, "bailiff's line") which had existed since 1666, and which led from Zweibrücken by way of Herschweiler-Pettersheim to Meisenheim, expanded into a road after 1750, and sometimes running on it between 1772 and 1794, in Zweibrücken's service, were six-seat wagonettes.On the night of 5 November 1775, the forward-thinking Duke died at his secondary residence in Herschweiler-Pettersheim of pneumonia.Christian IV, who had been illegitimately married to a dancer named Marianne Camasse of the Mannheim Theatre who had been raised to nobility and been given the title Countess Forbach, was succeeded not by one of his sons, but rather by his nephew Karl II August.