Front row of photo, left to right: Crown Princess Victoria of Sweden, Sir Philip Craven, Grand Duchess Maria Teresa and Grand Duke Henri of Luxembourg, Prince Albert II of Monaco, and Princess Margriet of the Netherlands attend an International Paralympic Committee Honorary Board meeting on October 15, 2015 in Luxembourg City, Luxembourg.
Left to right: Luxembourg's Prince Guillaume and Grand Duchess Maria Teresa, France's President François Hollande, Luxembourg's Grand Duke Henri and Princess Stéphanie on March 6, 2015 during the French president's one-day visit to Luxembourg. (Photo by Mathis Wienand/Getty Images)
Polish President Bronislaw Komorowski (right) shakes hands with Grand Duke Henri of Luxembourg at the presidential palace in Warsaw on May 7, 2014. The Grand Duke and Duchess of Luxembourg are in Poland for an official three-day visit. (Photo: JANEK SKARZYNSKI/AFP/Getty Images)