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H.R.H. Guillaume the hereditary Grand Duke of Luxembourg

H.R.H. Guillaume the hereditary Grand Duke of Luxembourg

His Royal Highness, the hereditary Grand Duke, Guillaume of Luxembourg, born on 11 November 1981 in Luxembourg, is the eldest son of Grand Duke Henri and Grand Duchess Maria Teresa. Since 18 November 2000, he has been the official hereditary Grand Duke of Luxembourg.

After his military training at the Royal Military Academy Sandhurst, Guillaume studied history and politics at the University of Durham, at Brunel University in London and at the University of Angers in France.

In October 2012, Guillaume married the Belgian Countess Stéphanie de Lannoy, who therefore also holds the title of hereditary Grand Duchess of Luxembourg.