Grand Duke Guillaume swore an oath to ascend to the throne of Luxembourg connected Friday (October 3, 2025) successful a accepted ceremonial attended by royals and European heads of state.
Flanked by his wife, the caller Grand Duchess Stéphanie, Grand Duke Guillaume (43) swore the oath successful Luxembourg's parliament and took the throne.
“I volition unrecorded the beingness of my people, from whom I bash not privation to beryllium separated by immoderate barrier. I volition stock their joys and sufferings,” Grand Duke Guillaume said, quoting a 1919 code by 1 of his predecessors, the Grand Duchess Charlotte, successful his archetypal code to the nation. He drew a parallel betwixt the carnage of World War I and geopolitical tensions today.
“A awesome of the principles of state and unity enshrined successful our Constitution, the monarchy has remained — past arsenic present — a changeless constituent of notation and a steadfast enactment successful times of crisis. In this sense, the oath I person conscionable taken connected the Constitution marks a important organization milestone for our country.”
Grand Duke Guillaume takes implicit from his begetter Henri (70), who had served for 25 years successful the mostly symbolic role.
Crowds gathered extracurricular the yellowish chromatic and ornate turrets of the palace. Some had their faces painted successful the Luxembourg flag: red, achromatic and airy bluish — the aforesaid colour of gown worn by the caller Grand Duchess, Belgian-born Stéphanie. The mates has 2 sons — 5-year-old Charles and 2-year-old François.

At the swearing-in ceremonial of Luxembourg’s Grand Duke Guillaume. | Photo Credit: AP
Royals from the Netherlands and Belgium attended the ceremonies. Later connected Friday, the caller expansive duke volition big an evening gala for guests including French President Emmanuel Macron and German President Frank-Walter Steinmeier.
Guillaume is Luxembourg’s seventh expansive duke since 1890, erstwhile the modern monarchy was established.
Cleaved from portion of what are present France, Belgium and Germany successful the 17th and 19th centuries, the tiny federation is simply a parliamentary ideology with the Grand Duke arsenic caput of state, akin to King Charles successful the United Kingdom oregon King Philippe successful Belgium.

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