Ernst & Young | Max Ernst | Ernst Haeckel | Casimir IV Jagiellon | Ernst Mayr | Ernst Jünger | Ernst Zündel | Ernst Gombrich | Ernst Mach | Casimir III the Great | Ernst Ulrich von Weizsäcker | Ernst Moritz Arndt | Ernst Lubitsch | Ernst Bloch | Karl Ernst von Baer | John Casimir | Hendrik Casimir | Heinrich Wilhelm Ernst | Ernst & Young Entrepreneur of the Year Award | Ernst van de Wetering | Ernst Toller | Ernst Thälmann Pioneer Organisation | Ernst Röhm | Ernst of Schaumburg | Ernst Ludwig Kirchner | Ernst Ludwig Gerber | Ernst Heinrich Weber | Ernst Hanfstaengl | Ernst Haefliger | Ernst Detlof von Krassow |
William Louis received Nassau-Dillenburg, John received Nassau-Siegen, George received Nassau-Beilstein, Ernst Casimir received Nassau-Dietz and John Louis received Nassau-Hadamar.
Ernst Casimir married Countess Thekla of Erbach-Fürstenau, fourth eldest daughter of Albrecht, Count of Erbach-Fürstenau and his wife Princess Sophie Emilie Luise of Hohenlohe-Neuenstein-Ingelfingen, on 8 September 1836 in Beerfelden.