Career
Titles and styles 19 April 1772 – 28 November 1788: Her Serene Highness Louise Isabelle, Countess of Sayn-Hachenburg, Burgravine of Kirchberg 28 November 1788 – 9 January 1816: Her Serene Highness The Princess of Nassau-Weilburg, Countess of Sayn-Hachenburg, Burgravine of Kirchberg 9 January 1816 – 6 January 1827: Her Serene Highness The Dowager Princess of Nassau-Weilburg, Countess of Sayn-Hachenburg, Burgravine of Kirchberg.