Wedding of Princess Victoria and Daniel Westling: Princess Letizia and Prince Felipe of Spain are pictured on the balcony together with Princess Mathilde of Belgium and former King Constantine of Greece.
Empress Farah Pahlavi withQueen Sofia of Spain during the 70th Birthday Celebrations of Queen Sofia in Madrid, November 2, 2008.
Queen Beatrix, King Juan Carlos, Queen Sofia, Queen Paola and King Albert during the celebrations marking the fifth centenary of the birth of King Carlos V in Toledo. October 5, 2000.
Scandinavian Royals pictured together: Crown Princess Victoria of Sweden and Prince Daniel, Crown Princess Mary and Crown Prince Frederik of Denmark, Crown Princess Mette-Marit and Crown Prince Haakon attending the wedding of Prince Guillaume of Luxembourg and Countess StÚphanie de Lannoy.
King Abdul Halim and Queen Haminah of Malaysia (C) receive flowers from Prince Abdul Wakeel and Princess Ameerah, youngest children of the Sultan of Brunei, upon their arrival to the kingdom. The Sultan (far right) and Queen (far left) of Brunei look on.
Prince Albert and Princess Charlene with the Duke and Duchess of Cambridge at a reception and lunch for Sovereign Monarch's held in honour of Queen Elizabeth II's Diamond Jubilee, at Windsor Castle on May 18, 2012.
Crown Princess Victoria watching her goddaughter Princess ElÚonore in the arms of Crown Princess Mathilde during a private visit at the royal castle of Laeken, Belgium in 2009.
Princess Haya watches events during the Royal Windsor Horse Show with Queen Elizabeth in Windsor, England, on May 15, 2009.
I. Great Britain
King Edward VII and Queen Alexandra of England with their extended family at Windsor, including: Louise, Duchess of Fife; Prince Arthur, Duke of Connaught; Queen Maude of Norway; William II, Emperor of Germany; Mary, Princess of Wales; George, Prince of Wales; Alfonso XIII, King of Spain; Ena, Queen of Spain; Louise, Duchess of Connaught; Princess Victoria; Arthur, Duke of Connaught; and Princess Beatrice.
Source: Hulton-Deutsch Collection/CORBIS
King Albert and Queen Paola with King Juan Carlos and Queen Sofia during and official visit to Spain, 1994.
Queen Noor and Queen Sofia with Princess Iman.