Prince Constantijn of the Netherlands

Prince Constantijn, born Constantijn Christof Frederick Aschwin on October 11, 1969, is the third and youngest son of Queen Beatrix of the Netherlands and Claus von Amsberg. He goes by the nickname Tijn.

Prince Constantijn studied law at Leiden University, and then worked at the Brussels department of (Dutch) European Union commissioner of foreign relations Van den Broek. Later, he was hired by the EU, and continued to work there in various capacities until the end of 1999. In December 2000, he was awarded a Master of Business Administration at the European Institute of Business Administration in Fontainebleau, France. He then spent a summer working for the International Finance Corporation of the World Bank group in Washington D.C.

Prince Constantijn married Laurentien "Petra" Brinkhorst on May 17, 2001. Following his marriage, Prince Constanijn and his wife moved to London where he works for strategic consultants Booz Allen and Hamilton. They have a daughter Eloise (born June 8, 2002), the first grandchild of Queen Beatrix, and a son Claus, born March 21, 2004.

Prince Constantijn rarely attends public events in his capacity as a member of the Dutch Royal House.