Guillaume, Hereditary Grand Duke of Luxembourg

Guillaume
Hereditary Grand Duke of Luxembourg (more)
The Hereditary Grand Duke in 2013
Born	(1981-11-11) 11 November 1981 (age 35) Grand Duchess Charlotte Maternity Hospital, Luxembourg City Luxembourg
Spouse	Stéphanie, Hereditary Grand Duchess of Luxembourg (m. 2012)
Full name Guillaume Jean Joseph Marie
House	Nassau-Weilburg
Father	Henri, Grand Duke of Luxembourg
Mother	Maria Teresa, Grand Duchess of Luxembourg
Religion	Roman Catholicism

Grand Ducal Family of Luxembourg
HRH The Grand Duke HRH The Grand Duchess HRH The Hereditary Grand Duke HRH The Hereditary Grand Duchess HRH Prince Félix HRH Princess Claire HRH Princess Amalia* HRH Prince Liam* HRH Prince Louis HRH Prince Gabriel* HRH Prince Noah* HRH Princess Alexandra HRH Prince Sébastien HRH Grand Duke Jean HI&RH Archduchess Marie-Astrid of Austria HRH Prince Jean Countess Diane HRH Princess Marie-Gabrielle* HRH Prince Constantin* HRH Prince Wenceslas* HRH Prince Carl-Johan* HRH Princess Margaretha of Liechtenstein HRH Prince Guillaume HRH Princess Sibilla HRH Prince Paul Louis* HRH Prince Léopold* HRH Princess Charlotte* HRH Prince Jean* HRH The Dowager Countess of Holstein-Ledreborg HRH Princess Joan HRH Princess Charlotte, Mrs. Cunningham HRH Prince Robert HRH Princess Julie HRH Princess Charlotte* HRH Prince Alexandre* HRH Prince Frederik* HRH The Dowager Princess of Ligne Extended grand-ducal family  Descendants of Duke William: Countess Elisabeth Clothilde von Merenberg * Only a Prince/ss of Nassau

Styles of The Hereditary Grand Duke of Luxembourg
Reference style	His Royal Highness
Spoken style	Your Royal Highness
Alternative style	Sir

HRH The Grand Duke
HRH The Grand Duchess

HRH Grand Duke Jean

HRH The Dowager Countess of Holstein-Ledreborg

HRH Princess Joan

Descendants of Duke William:

Prince Guillaume, Hereditary Grand Duke of Luxembourg (given names: Guillaume Jean Joseph Marie; born 11 November 1981), has been heir apparent to the crown of Luxembourg since his father's accession in 2000.

Prince Guillaume was born in 11 November 1981 at the Grand Duchess Charlotte Maternity Hospital in Luxembourg City and is the eldest child of Grand Duke Henri of Luxembourg and his wife, Cuban-born Grand Duchess Maria Teresa. He was named after his father's youngest brother Prince Guillaume of Luxembourg. Guillaume has four younger siblings: Prince Félix, Prince Louis, Princess Alexandra and Prince Sébastien.

Guillaume's education includes Lycée Robert-Schumann in Luxembourg; Collège Alpin International Beau Soleil and Institut Le Rosey boarding schools in Switzerland; and Royal Military Academy Sandhurst, Camberley, England. He began his higher education studies in the United Kingdom where he studied at University College, Durham and Brunel University, both in England. In 2006 he entered Institut Philanthropos in Fribourg, Switzerland, where he spent a year studying philosophy and anthropology. He later studied letters and political science at the Institut Albert-le-Grand in Angers, receiving his bachelor's degree with honors in 2009. His degree was issued by Université d'Angers, as a result of a partnership agreement between the two schools.