Royal Profile: Prince Jean of Luxembourg

Prince Jean of Luxembourg was born 15 May 1957, the  second son of Jean, Grand Duke of Luxembourg and Princess Joséphine-Charlotte of Belgium. He is the twin brother of Princess Margaretha. 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:

• Princess Marie-Gabrielle of Nassau (1986)
• Prince Constantin of Nassau (1988)
• Prince Wenceslas of  Nassau (1990)
• Prince Carl-Johan of Nassau (1992)

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