Back الأمير جيولايم Arabic الامير جيولايم ARZ Guillermo de Luxemburgu AST Guillem de Luxemburg Nassau-Weilburg Catalan Guillaume Lucemburský Czech Guillaume af Luxembourg Danish Guillaume von Luxemburg German Γουλιέλμος του Λουξεμβούργου (1981) Greek Vilhelmo (Luksemburgo) Esperanto Guillermo de Luxemburgo Spanish
| Prince Guillaume | |||||
|---|---|---|---|---|---|
| Hereditary Grand Duke of Luxembourg (more) | |||||
 Guillaume in 2024 | |||||
| Regent of Luxembourg | |||||
| Regency | 8 October 2024 – present | ||||
| Monarch | Henri | ||||
| Born | Prince Guillaume of Luxembourg 11 November 1981 Grand Duchess Charlotte Maternity Hospital, Luxembourg City, Luxembourg | ||||
| Spouse | |||||
| Issue | Prince Charles of Luxembourg Prince François of Luxembourg | ||||
| |||||
| House | Luxembourg-Nassau (official)[1] Bourbon-Parma (agnatic) | ||||
| Father | Henri, Grand Duke of Luxembourg | ||||
| Mother | María Teresa Mestre y Batista | ||||
| Religion | Roman Catholic | ||||
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| *Is a prince/ss of Nassau but not a prince/ss of Luxembourg |
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Extended royal family Descendants of Prince Felix and also members of the Grand Ducal Family of Luxembourg (see there):
Descendants of Prince René:
Princess Marina
Descendants of Prince Louis:
Prince Rémy
Princess Chantal Prince Jean
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Prince Guillaume, Hereditary Grand Duke of Luxembourg (Guillaume Jean Joseph Marie; born 11 November 1981), is the heir apparent to the Luxembourg throne since October 2000 and regent of the country since October 2024, as the son of Grand Duke Henri and Grand Duchess Maria Teresa. He is set to become Grand Duke on 3 October 2025 upon the abdication of his father.
- ^ "Droits de Succession: Ordre successoral". Cour Grand-Ducale de Luxembourg. Maréchalat de la Cour. 6 June 2011. Archived from the original on 3 June 2014. Retrieved 20 December 2012.
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