In the small Grand Duchy of Luxembourg — population 660,000 — the Nassau-Weilburg dynasty has reigned since 1890. Grand Duke Henri, who succeeded his father Grand Duke Jean on 7 October 2000, is one of Europe's most accessible reigning monarchs.

The Family's Roots: The House of Nassau-Weilburg

The dynasty descends from the Walram branch of the House of Nassau, which separated from the better-known Orange-Nassau (Dutch) line in the 13th century. Modern Luxembourg's monarchy began in 1890 when Adolphe of Nassau-Weilburg, the family's senior male, became Grand Duke.

Henri was born in Schloss Berg, Luxembourg, on 16 April 1955.

His Parents

Grand Duke Jean (1921 – 2019) reigned from 1964 to 2000. Princess Joséphine-Charlotte of Belgium (1927 – 2005), his mother, was the daughter of King Leopold III of Belgium and sister of King Albert II. Through her, Henri is closely related to the Belgian royal family.

His Siblings

Henri has four siblings:

Princess Marie Astrid (b. 17 February 1954) — married Archduke Carl Christian of Austria. Prince Jean (b. 15 May 1957). Princess Margaretha (b. 15 May 1957, Jean's twin) — married Prince Nikolaus of Liechtenstein. Prince Guillaume (b. 1 May 1963).

His Wife: Grand Duchess Maria Teresa

Grand Duchess Maria Teresa, born Maria Teresa Mestre Batista on 22 March 1956 in Havana, Cuba, is of Cuban heritage. Her family left Cuba in 1959 after the revolution. She met Henri while both were studying political science at the Graduate Institute of International Studies in Geneva. They married on 14 February 1981.

Their Children

Henri and Maria Teresa have five children:

Hereditary Grand Duke Guillaume, born 11 November 1981 — the heir apparent. He married Belgian Countess Stéphanie de Lannoy in 2012; they have two sons: Prince Charles (b. 10 May 2020) and Prince François (b. 27 March 2023).

Prince Félix, born 3 June 1984 — married Claire Lademacher in 2013; they have two children.

Prince Louis, born 3 August 1986 — married Tessy Antony (now divorced); two sons.

Princess Alexandra, born 16 February 1991.

Prince Sébastien, born 16 April 1992 (his father's birthday).

The Nassau-Weilburg Family Tree at a Glance

Dynasty

  • House of Nassau-Weilburg (Walram branch)
  • Luxembourg's monarchy: 1890

Parents

  • Father: Grand Duke Jean (1921 – 2019) — reigned 1964–2000
  • Mother: Princess Joséphine-Charlotte of Belgium (1927 – 2005) — sister of King Albert II

Siblings

  • Princess Marie Astrid (b. 1954) — married Archduke Carl Christian of Austria
  • Grand Duke Henri (b. 16 April 1955)
  • Prince Jean (b. 1957)
  • Princess Margaretha (b. 1957) — married Prince Nikolaus of Liechtenstein
  • Prince Guillaume (b. 1963)

Grand Duke Henri

  • Born 16 April 1955, Schloss Berg
  • Royal Military Academy Sandhurst (1974)
  • Graduate Institute of International Studies, Geneva
  • Hereditary Grand Duke from 1964
  • Grand Duke of Luxembourg from 7 October 2000

Wife: Grand Duchess Maria Teresa

  • Born 22 March 1956, Havana, Cuba (Cuban exile heritage)
  • Married Henri on 14 February 1981

Children

  • Hereditary Grand Duke Guillaume (b. 11 November 1981) — heir apparent
    • Wife: Princess Stéphanie née Countess de Lannoy (b. 18 February 1984)
    • Sons: Prince Charles (b. 10 May 2020), Prince François (b. 27 March 2023)
  • Prince Félix (b. 3 June 1984)
  • Prince Louis (b. 3 August 1986)
  • Princess Alexandra (b. 16 February 1991)
  • Prince Sébastien (b. 16 April 1992)

What the Luxembourg Royal Family Story Teaches Us

A father who reigned for thirty-six years. A Belgian-royal mother. A Cuban-exile wife. Five children spanning marriages, divorces, and several grandchildren. A small European royal family that connects, by marriage, to the royal houses of Belgium, Austria, and Liechtenstein.

For every family — large or small, famous or otherwise — the Luxembourg story carries the same lesson. Small families with deep international connections matter. Henri's tree connects, in three marriages, three other European royal houses. Most families have these kinds of network entries too, just at smaller scales. Write them down.

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