Participants pose for the family photo f

Participants pose for the family photo for the 90th anniversary of Grand-Duc Jean, on January 5, 2011 at the Grand Ducale Palace in Luxembourg.From L to R: 1st row: Queen of Belgium Paola, Grand Duke Henri, Grande Duchess Maria-Teresa, King of Belgium Albert 2nd row: Prince Jean of Luxembourg, Princess Margharetha of Lichtenstein, Crown Grand Duke Guillaume, Archduchess Marie-Astrid of Austria, Prince Guillaume of Luxembourg, Princess Alix de ligne 3rd row: Prince Nicolas of Lichtenstein, Princess Tessy with Noah and Gabriel, Prince Louis of Luxembourg, Prince Felix of Luxembourg, Archduke Christian of Austria, Princess Sibilla with Prince Jean of Nassau 4th row: Prince Paul-Louis de Nassau, Archduchess Marie-Christine d'Autriche, Princess Alexandra of Luxembourg, Prince Sebastien of Luxembourg, Princess Maria-Annunciata of Lichtenstein, Princess Marie-Gabrielle de Nassau 5th row: Prince Joseph-Emmanuel of Lichtenstein, Princess Marie-Astrid of Lichtenstein, Archduke Imre of Austria, Prince Constantin of Nassau, Princess Charlotte of Nassau 6th row: Princess Joseph-Emmanuel of Lichtenstein, Prince Carl Johann of Nassau, Archduke Alexander of Austria, Princess Wenceslas of Nassau, Archduchess Gabriella of Austria, Archduke Christophe of Austria, Prince Leopold of Nassau AFP PHOTO / JEAN-CHRISTOPHE VERHAEGEN (Photo credit should read JEAN-CHRISTOPHE VERHAEGEN/AFP via Getty Images)