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New photos released as Hereditary Grand Duke Guillaume of Luxembourg is set to turn 40

The Grand Ducal Court of Luxembourg has released new images of Hereditary Grand Duke Guillaume as he is set to celebrate his 40th birthday on 11 November.

Two photos were released of the heir to the Grand Ducal Throne by himself, and two images feature Guillaume with his wife, Hereditary Grand Duchess Stéphanie and their son, one-year-old Prince Charles.

The Grand Ducal Court has not announced any public celebrations for Prince Guillaume’s 40th birthday.

As the first child of Grand Duke Henri and Grand Duchess Maria Teresa, Prince Guillaume Jean Joseph Marie was born on 11 November 1981 in Luxembourg City’s Grand Duchess Charlotte Maternity Hospital. He has four siblings: Prince Félix (b.1984), Prince Louis (b. 1986), Princess Alexandra (b. 1991) and Prince Sébastien (b. 1992).

Prince Guillaume was made Hereditary Grand Duke upon his father’s accession in 2000 when his grandfather, the late Grand Duke Jean, abdicated.

He revealed he was in a relationship during an interview for his 30th birthday in 2011 but did not reveal with whom. The following year, on 26 April 2012, the Grand Ducal Court announced his engagement to Belgian Countess Stéphanie de Lannoy. They married in a civil ceremony on 19 October 2012 in Luxembourg and a religious ceremony the following day at Notre-Dame Cathedral in Luxembourg City.

The couple announced they were expecting their first child in 2019. Their son, Prince Charles, was born on 10 May 2020, in the midst of the global COVID-19 pandemic, at the Grand Duchess Charlotte Maternity Hospital in Luxembourg. The family left the hospital two days later and returned to Fischbach Castle.

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About author

Brittani is from Tennessee, USA. She is a political scientist and historian after graduating with a degree in the topics from the University of Tennessee, Knoxville, in December 2014. She also holds a master's degree from Northeastern University. She enjoys reading and researching all things regarding the royals of the world. She's been researching, reading, and writing on royalty for over a decade. She became Europe Editor in October 2016, and then Deputy Editor in January 2019, and has been featured on several podcasts, radio shows, news broadcasts and websites including Global News Canada, ABC News Australia, WION India and BBC World News.