Guillaume, Hereditary Grand Duke of Luxembourg
Heir apparent
Prince Guillaume, Hereditary Grand Duke of Luxembourg, is the heir apparent to the crown of Luxembourg, holding the position since his father's accession in 2000. Wikipedia
Born: 1981 (age 42 years), Grand Duchess Charlotte Maternity, Luxembourg
Spouse: Stéphanie, Hereditary Grand Duchess of Luxembourg (m. 2012)
Education: University of Angers (2009), Collège Alpin Beau Soleil (2001), Royal Military Academy Sandhurst, and more