 The modern spelling was used, although much of the text used spellings that would now be considered archaic; the spelling used for Frensweiler, on the other hand, was "Frntzweiler".Through Georg I von der Leyen's marriage to Eva von Mauchenheim in 1456, the House of Leyen came into possession of the Bliesgau and also, by hereditary accession in 1486, of a share in the Blieskastel castle.At the same time, Abbot Ulrich of the Hornbach Monastery granted Jörge von der Leyen, a Burgmann of Castle Lautern, the Münchweiler valley.