Princess Laurentien of the Netherlands

Princess Laurentien
Princess Laurentien in 2015
Born	(1966-05-25) 25 May 1966 (age 50) Leiden, Netherlands
Spouse	Prince Constantijn of the Netherlands (m. 2001)
Issue	Countess Eloise Count Claus-Casimir Countess Leonore
Full name Petra Laurentien Brinkhorst
Father	Laurens Jan Brinkhorst
Mother	Jantien Brinkhorst-Heringa
Religion	Protestant Church in the Netherlands

Dutch royal family
HM The King * HM The Queen * HRH The Princess of Orange * HRH Princess Alexia * HRH Princess Ariane * HRH Princess Beatrix * HRH Princess Mabel Countess Luana Countess Zaria HRH Prince Constantijn * HRH Princess Laurentien * Countess Eloise Count Claus-Casimir Countess Leonore Extended royal family HRH Princess Irene HRH The Duke of Parma HRH The Duchess of Parma HRH The Countess of Colorno HE The Count of Colorno HRH The Count of Bardi HRH The Countess of Bardi HRH The Marchioness of Sala HE The Marquess of Sala HRH Princess Margriet * Professor Pieter van Vollenhoven * HH Prince Maurits HH Princess Marilène HH Prince Bernhard HH Princess Annette HH Prince Pieter-Christiaan HH Princess Anita HH Prince Floris HH Princess Aimée HRH Princess Christina Bernardo Guillermo Eva Guillermo Nicolás Guillermo Juliana Guillermo * Member of the Dutch royal house

Princess Laurentien of the Netherlands (née Petra Laurentien Brinkhorst; born 25 May 1966) is the wife of Prince Constantijn and sister-in-law of King Willem-Alexander and Queen Máxima.

Petra Laurentien Brinkhorst was born in Leiden on 25 May 1966, the daughter of the former Dutch minister of Economic Affairs, Laurens Jan Brinkhorst and Jantien Brinkhorst-Heringa. She has one brother. She is known by her middle name, Laurentien, a portmanteau of her parents' given names.

Princess Laurentien started primary school in Groningen. Her family then moved to The Hague, where she completed her primary education. She spent four years at the Christelijk Gymnasium Sorghvliet, and a year at the Eerste Vrijzinnige Christelijk Lyceum, both in The Hague. In 1984, she passed the Baccalauréat A examinations at the Lycée français in Tokyo. Her father was working in Japan at the time, being the Permanent Envoy of the European Union.

Princess Laurentien studied History at the University of Groningen, where she received her propaedeuse in 1986. After this she studied at College of Queen Mary of the University of London where she received her Bachelor of Arts (BA) degree in Political Science in 1989 and subsequently at the University of California, Berkeley, where she obtained her Master of Journalism (MJ) degree in 1991.