June 1967: Juan Carlos and Sofia, Prince and Princess of Spain, attend the wedding festivities for Crown Princess Margrethe of Denmark to Henri Laborde de Monpezat in Copenhagen. They're pictured with Princess Margaretha of Sweden (the bride's first cousin) and her husband, John Ambler. The wedding was a family affair: Sofia's brother, King Constantine II of Greece, was married to the bride's youngest sister, Anne-Marie
