Karoline was born on 13 November 1768 in
Vienna. She was the daughter of Count Johann Wilhelm of Manderscheid-Blankenheim zu Geroldseck and Countess Johanna Maximiliana Franziska of Limburg-Stirum (daughter of Count
Christian Otto of Limburg-Stirum). She had no children with her spouse, but two children with her long term lover Franz von Langendonck, captain of the Austrian army; one was her son Karl Ludwig (1793–dead after 1868), Viscount von Fribert. In 1805, her husband died and was succeeded by her brother-in-law as monarch. Karoline spent her remaining life mainly in Vienna. She died on 1 March 1831 in Vienna. ==Ancestry==