As a result of the Secularization of 1803, the Ländchen, as well as the adjacent territories of the Archbishopric of Mainz, were given to the Principality of Nassau-Usingen (which would become part of the Duchy of Nassau in 1806).P. Wagner: Die Bildung des Herzogtums Nassau und das nassauische Fürstenhaus. In: Karl Jacobi (Hrsg.): Nassauisches Heimatbuch. Gebrüder Petmecky, Wiesbaden 1913.
