Royal Profile: Prince Jean of Luxembourg

Prince Jean Félix Marie Guillaume of Luxembourg was born 15 May 1957, the second son of Jean, Grand Duke of Luxembourg and Princess Joséphine-Charlotte of Belgium. He has the following siblings, sibling-in-laws, and nieces and nephews:

1. Princess Marie-Astrid, Archduchess of Austria (1954)
1. Archduke Carl Christian of Austria (1954, m. 1982)
1. Archduchess Marie-Christine of Austria, Countess of Limburg-Stirum (1983)
1. Count Rodolphe of Limburg-Stirum (1979, m.2008)
1. Count Léopold of Limburg-Stirum (2011)
2. Count Constantin of Limburg-Stirum (2013)
2. Archduke Imre of Austria (1985)
1. Archduchess Kathleen of Austria (1986,m. 2012)
1. Archduchess Maria-Stella of Austria (2013)
2. Archduchess Magdalena of Austria (2016)
3. Archduke Christoph of Austria (1988)
1. Archduchess Adélaïde of Austria (1989, m. 2012)
1. Archduchess Katarina of Austria (2014)
4. Archduke Alexander of Austria (1990)
5. Archduchess Gabriella of Austria (1994)
2. Grand Duke Henri of Luxembourg (1955)
1. Grand Duchess Maria Teresa of Luxembourg (1956, m. 1981)
1. Prince Guillaume, Hereditary Grand Duke of Luxembourg (1981)
1. Princess Stéphanie , Hereditary Grand Duchess of Luxembourg (1984)
2. Prince Félix of Luxembourg (1984)
1. Princess Claire of Luxembourg (1985)
1. Princess Amalia de Nassau (2014)
3. Prince Louis of Luxembourg (1986)
1. Princess Tessy of Luxembourg (1985)
1. Prince Noah de Nassau (2006)
2. Prince Gabriel de Nassau (2007)
4. Princess Alexandra of Luxembourg (1991)
5. Prince Sébastien of Luxembourg(1992)
3. Princess Margaretha of Luxembourg, Princess of Liechtenstein (1957, twin)
1. Prince Nikolaus of Liechtenstein (1947, m. 1982)
1. Prince Leopold of Liechtenstein (1984-1984)
2. Princess Maria-Anunciata of Liechtenstein (1985)
3. Princess Marie-Astrid of Liechtenstein (1987)
4. Prince Joesf-Emmanuel of Liechtenstein (1989)
4. Prince Guillaume of Luxembourg (1963)
1. Princess Sibilla of Luxembourg (1968, m. 1994)
1. Prince Paul Louis de Nassau (1998)
2. Prince Léopold de Nassau (2000)
3. Princess Charlotte de Nassau (2000)
4. Prince Jean de Nassau (2004)

 His godparents are:

• Prince Felix of Luxembourg 
• Queen Margrethe II of Denmark

The young prince was primarily educated in Luxembourg, Switzerland and France. Upon graduation, he attended The Bell School of Languages in Cambridge, England. He attended a university in Geneva.

In 1977, he began military officer training at the Royal Military Academy, Sandhurst. He was made captain of the Luxembourg Army in 1979.

After completing his university studies, he moved to New York to work as a financial analysist for the
Finance, Planning & Analysis Division of W.R. Grace. Today, the Prince works in the water industry, as an advisor to the GDF-Suez Group, Executive VP of the Suez Foundation and is a member of the Executive Board of Degrémont.

In 1985, he returned to Europe, settling in France, where he attended INSEAD in Fontainebleau, France, where he obtained an MBA in 1986.

On 26 September 1986, Prince Jean renounced his right of succession to the Luxembourg throne. He was married on 27 May 1987 to Hélène Suzanna Vestur. His wife and children were granted the titles Count/ess of Nassu. On 27 November 2004, Grand Duke Henri granted Prince Jean, his wife and their children the titles Prince/ss of Nassau, and HRH status, without succession rights. Their children are:

1. Princess Marie-Gabrielle de Nassau (1986)
2. Prince Constantin de Nassau (1988)
3. Prince Wenceslas de Nassau (1990)
4. Prince Carl-Johan deNassau (1992)

The Prince and Hélène would later divorce, and he would marry Diane De Guerre in 2009 {Source}