Guestlist of the event (not complete!):
- Shah Mohamed Reza and Shahbanou Farah of Persia
- Queen Elizabeth II of the UK and the Duke of Edinburgh
- King Baudouin and Queen Fabiola of the Belgians (only on May 2nd)
- King Olav V of Norway
- Grand Duchess Charlotte and Prince Felix of Luxembourg
- Prince Bertil of Sweden, Duke of Halland
- Princess Margaretha of Sweden
- Hereditary Grand Duke Jean and Hereditary Grand Duchess Josephine-Charlotte of Luxembourg
- Princess Marina, Duchess of Kent
- Princess Alexandra of Kent
- Princess Maria of Savoy-Aosta
- Prince Louis-Ferdinand and Princess Kira Kirillovna of Prussia
- Princess Armgard of Lippe-Biesterfeld
- Prince Aschwin and Princess Simone of Lippe-Biesterfeld
- Princess Anne of France
- Prince Michael of Greece
- Prince Charles of Luxembourg
- Princes Friederich-Wilhelm and Michael of Prussia
- Princesses Kira and Marie-Cecile of Prussia
- Princess Tatiana Radziwill (dau. of Eugenie of Greece & Denmark)
- Princess Feodora Reuss
- Prince Heinrich I Reuss
- Princess Woizlawa Victoria Reuss, née Duchess of Mecklenburg-Schwerin
- Prince Ernst-August of Hanover and Princess Maria Angela of Hanover, née Pss of Solms-Baruth
- Richard and May Abel-Smith
- Count Klaus von Ahlefeldt-Laurvig
- Princess Maria-Christina of Aosta
- Prince Franz and Prince Max of Bavaria
- Count Bertil Bernadotte (son of Count Folke)
- Count Fabian and Countess Dorothea von Dohna
- Prince Friedrich von Fürstenberg
- Prince Karl and Princess Clarissa of Hesse-Kassel
- Princess Sophia of Greece
- Prince Otto of Hesse-Kassel
- Count Paul de Kotzebue
- Duke George von Leuchtenberg
- The prince and princess of Linange (Leiningen, I suppose)
- The dowager princess of Lippe
- Prince Armin and Princess Traute of Lippe
- Duchess Thyra of Mecklenburg
- Count and Countess Caspar von Oeynhausen-Stierstorpff
- Count and Countess Rabe von Oeynhausen-Stierstorpff
- Prince Friedrich and Princess Birgid of Prussia
- Hereditary Count Hans-Veit of Toerring-Jettenbach
- Count Johannes and Countess Sigrid von Welzeck
- Prince Vincent and Pricness Marthe von Windisch-Graetz
Newspapers reported 109-150 royal and noble guests. Among them the enfants d'honeur (flower girls & pages) of the wedding in 1937:
Historische Kranten - actualiteiten uit het verleden
http://kranten.kb.nl/view/article/id/ddd:011232893:mpeg21:p003:a0116
From Denmark King Frederik and Queen Ingrid were supposed to attend, but due to the death & ourning period for Countess Alexandrine Castell-Castell they cancelled. In October Queen Ingrid and her two eldest daughters however did pay a visit to The Netherlands: