Prince Constantijn

Prince Constantijn is the third and youngest son of Princess Beatrix and Prince Claus. The Prince is married to Princess Laurentien. The couple have three children, Eloise, Claus-Casimir and Leonore.

Constantijn Christof Frederik Aschwin, Prince of the Netherlands, Prince of Orange-Nassau, Jonkheer van Amsberg, the third son of Princess Beatrix and Prince Claus, was born in Utrecht on 11 October 1969.
The Prince has two brothers: King Willem-Alexander (born in 1967) and Prince Friso (born in 1968, passed away in 2013).


Prins Constantijn, 2012 © RVD, foto: Frank van Beek

The Prince received his primary education at the Nieuwe Baarnse School in Baarn and his secondary education at the Eerste Vrijzinnig Christelijk Lyceum in The Hague, where he gained his VWO (pre-university education) certificate in 1987. During the 1987/1988 academic year, Prince Constantijn attended language courses in France and Italy.

In 1995 he gained his master's degree in law from Leiden University where he specialised in civil law. In 2000 he studied business economics at the European Institute of Business Administration in Fontainebleau (INSEAD).

Marriage and family

Prince Constantijn married Laurentien Brinkhorst in The Hague on 17 May 2001. The marriage was blessed on 19 May 2001 in the Grote of St Jacobskerk in The Hague.

Prince Constantijn and Princess Laurentien have three children. Their first daughter Eloise was born on 8 June 2002, their son Claus-Casimir on 21 March 2004 and their second daughter, Leonore, on 3 June 2006.
The family lives in The Hague.


Prince Constantijn was appointed Head of Cabinet to the Digital Agenda Commissioner, Neelie Kroes, on 1 April 2013.

The Prince began his working life in the cabinet of the Dutch European Commissioner, Hans van den Broek. After that, he became a strategic policy consultant with Booz Allen & Hamilton in London. He also worked as an adviser on EU communications at the Ministry of Foreign Affairs in The Hague and with RAND Europe in Brussels, first as a policy researcher, then as head of the Information Policy and Economics Team and lastly as head of the Brussels office. The Prince then returned to the European Commission in Brussels, first as an adviser and subsequently as Deputy Head of Cabinet to Neelie Kroes.

Public appointments

  • Chair of The Hague Process on Refugees and Migration
  • Chair of the Prince Bernhard Nature Fund
  • Member of the supervisory board of the Stedelijk Museum, Amsterdam

Honorary posts

  • Honorary Chair of the Prince Claus Fund
  • Patron of the National Musical Instrument Fund
  • Patron of the World Press Photo Foundation
  • Patron of the Oskar Back Study Foundation for young violinists