News from the Grand Ducal Family News are only available in the original language.Categories Press releases Audiences Commemorations & Birthdays Conferences Culture Economy Education Environment & Ecology Europe Health History, cultural and social heritage Institutions & Politics International relations National Day Press releases Receptions Scouting Social & humanitarian activities State visitsMembers of the Family H.R.H. the Crown Prince H.R.H. the Grand Duke H.R.H. the Grand Duchess H.R.H. the Crown Prince H.R.H. the Crown Princess H.R.H. Prince Félix H.R.H. Princess Claire H.R.H. Prince Louis H.R.H. Princess Alexandra H.R.H. Prince SébastienDates 2018 2025 2024 2023 2022 2021 2020 2019 2018 2014 2012Keywords Reset Press releases 2018 H.R.H. the Crown Prince Le Prince Guillaume, Grand-Duc Héritier de Luxembourg, fête ses 37 ans aujourd’hui!11.11.2018 COMMUNIQUE DE LA COUR GRAND-DUCALE21.06.2018