Il est marié avec Maria Elisabeth van Fürstenberg-Stühlingen.
Ils se sont mariés le 10 février 1727 à Donau-Eschingen, Baden-Württemberg , il avait 20 ans.
Enfant(s):
(Johann) Franz Ernst was born in Prague on 19 July 1706, the elder son of Graf Franz Joseph von Waldstein and Gräfin Maria Markéta Czernin von Chudenitz. On 10 February 1727 at Donaueschingen he married Landgräfin Maria Elisabeth von Fürstenberg, daughter of Prosper Ferdinand, Landgraf von Fürstenberg-Stühlingen, and Gräfin Sophie von Königsegg-Rothenfels. Only their youngest child Vincenz would have progeny.
Franz Ernst and his younger brother Franz Joseph Georg created two lines of the family. Franz Ernst founded the Mnichovo Hradiste line with the estates of Mnichovo Hradiste (Münchengrätz), Komorni Hrádek (Cejchanov), Belá, Kurivody (Hühnerwasser), Zviretice (Zviretice) and Doksy (Hirschberg am See). Like his father he held the honorary title of Lord Pantler (Oberster Vorschneider) of the kingdom of Bohemia, held within the family since the mid-17th century.
Franz Ernst died at Mnichovo Hradiste on 14 September 1748.
http://genealogics.org/getperson.php?personID=I00009801&tree=LEO
Les données affichées n'ont aucune source.