Person
William IV, Grand Duke of Luxembourg
William IV was Grand Duke of Luxembourg from 1905 to 1912, the son of Grand Duke Adolphe of the House of Nassau-Weilburg. Having six daughters and no sons, he had the succession law changed in 1907 so that his eldest daughter, Marie-Adélaïde, could succeed him. Illness led him to hand the regency to his wife, Marie Anne of Portugal, in 1908.
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- APA
- The Epoch Institute. (2026). William IV, Grand Duke of Luxembourg. In The Epoch Institute Encyclopedia. https://the-epoch-institute.org/encyclopedia/william-iv-grand-duke-of-luxembourg
- MLA
- “William IV, Grand Duke of Luxembourg.” The Epoch Institute Encyclopedia, The Epoch Institute, 2026, https://the-epoch-institute.org/encyclopedia/william-iv-grand-duke-of-luxembourg. Accessed .
- Chicago
- The Epoch Institute. “William IV, Grand Duke of Luxembourg.” The Epoch Institute Encyclopedia. 2026. https://the-epoch-institute.org/encyclopedia/william-iv-grand-duke-of-luxembourg.
- Harvard
- The Epoch Institute (2026) ‘William IV, Grand Duke of Luxembourg’, The Epoch Institute Encyclopedia. Available at: https://the-epoch-institute.org/encyclopedia/william-iv-grand-duke-of-luxembourg (Accessed: ).
Last reviewed October 2026Random entry ↻