William IV, Grand Duke of Luxembourg

Grand Duke of Luxembourg

William IV (William Alexander; French: Guillaume Alexandre; 22 April 1852 – 25 February 1912) reigned as the Grand Duke of Luxembourg from 17 November 1905 until his death. He succeeded his father, Adolphe.

William IV
Grand Duke of Luxembourg
Reign17 November 1905 –
25 February 1912
RegentMarie Anne of Portugal
Prime MinisterPaul Eyschen
Born(1852-04-22)22 April 1852
Biebrich Palace, Wiesbaden, Duchy of Nassau
Died25 February 1912(1912-02-25) (aged 59)
Berg Castle, Colmar-Berg, Luxembourg
SpouseMarie Anne of Portugal
IssueMarie-Adélaïde, Grand Duchess of Luxembourg
Charlotte, Grand Duchess of Luxembourg
Hilda, Princess of Schwarzenberg
Antonia, Crown Princess of Bavaria
Princess Elisabeth
Princess Sophie
FatherAdolphe, Grand Duke of Luxembourg
MotherPrincess Adelheid-Marie of Anhalt-Dessau

Currently, William is the last monarch of Luxembourg to die while still on the throne.

Titles and styles


Although the Duchy of Nassau was annexed by Prussia after the Austro-Prussian war of 1866, the title of Duke of Nassau was retained by William and his heirs.[1] This does not imply any sovereignty over Nassau.

  • 22 April 1852 - 23 November 1890: His Highness The Hereditary Prince of Nassau[2]
  • 23 November 1890 - 17 November 1905: His Royal Highness The Hereditary Grand Duke of Luxembourg, Hereditary Prince of Nassau[3]
  • 17 November 1905 - 25 February 1912: His Royal Highness The Grand Duke of Luxembourg, Duke of Nassau[3]
  1. Almanach de Gotha (1901), article "Luxembourg"
  2. It was customary for a reigning Duke, his heir apparent, and their spouses to use the style of Highness.
  3. 3.0 3.1 It was customary for a reigning Grand Duke, his heir apparent, and their spouses to use the style of Royal Highness

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