(L-R): Grand Duke Henri; Prince Sébastien;
Credit: Copyright : © Cour grand-ducale / Lola Velasco
His Royal Highness the Grand Duke, the eldest son of Grand Duke Jean and Grand Duchess Joséphine-Charlotte of Luxembourg, was born on 16 April 1955 at Betzdorf castle in Luxembourg. He succeeded his father Grand Duke Jean on 7 October 2000 as Grand Duke of Luxembourg.
In 1974, Prince Henri attended the Royal Military Academy Sandhurst (UK). He was appointed Commissioned Officer in 1975 and Honorary Major of the Royal Parachute Regiment (UK) in 1989. As Head of the Luxembourg Armed Forces, he holds the rank of a General.
His Royal Highness Prince Sébastien, the youngest child of the Grand Duke and Grand Duchess, was born on 16 April 1992 at the Maternité Grande Duchesse Charlotte in Luxembourg.
Prince Sébastien then enrolled in the Franciscan University of Steubenville, USA, where he completed his studies, attaining a Bachelor of Science in Marketing and Communication, in December 2015.