sentences:  Frohnhofen passed first to the district of Ottweiler, and in 1816 to the "Baierischer Rheinkreis", the later "bayerische Rheinpfalz", the territory that the Congress of Vienna awarded to the Kingdom of Bavaria.With regard to local administration, Frohnhofen passed in 1818 to the "Landkommissariat" (later "Bezirksamt" and "Landkreis", or rural district) of Homburg and the "Bürgermeisterei" (“Mayoralty”) of Altenkirchen in the Canton of Waldmohr.In the 19th century, a great number of the impoverished populace left the village and emigrated to the United States, mainly to Ohio.