Monarchy of Luxembourg
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The monarchy of Luxembourg is the institution headed by the grand duke of Luxembourg, who is the head of state of the country. Luxembourg has been a grand duchy since 15 March 1815, when it was create
Andrius Kubilius and Grand Duke Guillaume V
William I of the Netherlands
Willem IINL3
Willem III, koning der Nederlanden, Nicolaas Pieneman, 1856 Rijksmuseum
Guillaume V is Grand Duke of Luxembourg, reigning since 3 October 2025.
Monarchy of Luxembourg
…the House of Orange-Nassau. Luxembourg is the world's only sovereign grand duchy, and since 1815 there have been ten monarchs, including the incumbent, Guillaume V. The constitution of Luxembourg defines the grand duke's position…
Guillaume as Hereditary Grand Duke in 2013