[3] Between 2003 and 2004, Prince Félix took interest in different fields of study such as political science, psychology and communication, leading him to attend schools in England and Belgium.

In 2005, Prince Félix joined the Marketing and Public Relations department of Grand Chelem Management SA, a Swiss company specializing in the organisation of sporting and cultural events.

In June 2009, the Grand Ducal Court announced later that October, Prince Félix would begin a bachelor's degree in bioethics at the Pontifical Athenaeum Regina Apostolorum in Rome, Italy, completing it in 2013.

[5] Since 2016, Prince Félix chairs the Lorgues Terre de Vins association, whose goal is to make their community an unmissable destination in Provence.

[7] Since the wedding, the couple have been living in the south of France at the Château Les Crostes, a winery in Lorgues that has been owned by the Lademacher family for many years.

[10][11] Claire gave birth to their second son, Prince Balthazar Félix Karl of Nassau, on 7 January 2024 at the Grand Duchess Charlotte Maternity Hospital in Luxembourg.