News from the Grand Ducal Family News are only available in the original language.Categories Conferences Audiences Births Christenings Commemorations & Birthdays Conferences Culture Economy Education Environment & Ecology History, cultural and social heritage Press releases Receptions Religion Scouting Social & humanitarian activities WeddingsMembers of the Family H.R.H. the Crown Princess H.R.H. the Grand Duke H.R.H. the Grand Duchess H.R.H. the Crown Prince H.R.H. the Crown Princess Dates 2013 2022 2018 2017 2016 2015 2014 2013 Keywords Reset Conferences 2013 H.R.H. the Crown Princess Bio-Lëtzebuerg célèbre ses 25ans26.11.2013 25ème anniversaire de l'Harmonie des Jeunes Prince Guillaume25.10.2013