Grand Duke Jean and Grand Duchess Josephine Charlotte’s 25th Anniversary Gala Dinner at the Grand Ducal Palace in Luxembourg on this day in 1978. The Grand Duke (in the Star of the Order of the Gold Lion of the House of Nassau) and Grand Duchess (wearing the Belgian Scroll Tiara) are surrounded by their five children: Grand Duke Henri, Princess Marie Astrid (in the Congo Diamond Necklace Tiara), Prince Jean, Princess Margaretha (wearing the Sapphire Bracelet Tiara), and Prince Guillaume. Grand Duke Jean of Luxembourg married Princess Josephine-Charlotte of Belgium in 1953.