Here's a list I've made based on different sources and photos:

HM King Carl XVI Gustaf of Sweden
HM Queen Ingrid of Denmark
HM Queen Margrethe II and HRH Prince Henrik of Denmark
TM King Constantine II and Queen Anne-Marie of the Hellenes
HRH Prince Bertil of Sweden, Duke of Halland and Ms Lilian Davies
HRH Princess Christina of Sweden
HSH Prince Johann Georg and HRH Princess Birgitta of Hohenzollern
HRH Princess Benedikte of Denmark and HSH Prince Richard zu Sayn-Wittgenstein-Berleburg
Princess Margaretha and Mr John Ambler
Princess Désirée and Baron Niclas Silfverschiöld
Count Sigvard and Countess Marianne Bernadotte af Wisborg
Count Michael Bernadotte af Wisborg
Count Carl Johan and Countess Kerstin Bernadotte af Wisborg
HRH Princess Margaretha of Denmark
TH Prince Georg and Princess Anne of Denmark
Count Carl and Countess Gerty Bernadotte af Wisborg
Countess Estelle Bernadotte af Wisborg
Count Folke Bernadotte af Wisborg
Countess Maria Bernadotte af Wisborg
Countess Elsa Bernadotte af Wisborg, Mrs Cedergren

HM Queen Juliana of the Netherlands
TM King Baudouin and Queen Fabiola of the Belgians
HM King Olav V of Norway
TRH Grand Duke Jean and Grand Duchess Joséphine-Charlotte of Luxembourg
HRH Prince, Duke of Edinburgh
HM King Umberto II of Italy
HM Queen Elena of Romania
HRH Crown Prince Harald of Norway
HIH Prince Mahmud Reza of Iran
HRH Princess Sirindhorn of Thailand
HRH Prince Bhanubandhu Yugala of Thailand
HRH Princess Alice, Countess of Athlone
TRH Prince Juan Carlos and Princess Sofía of Spain
HRH Margrave Maximilian of Baden, Duke of Zähringen
HH Prince Friedrich Josias of Saxe-Coburg and Gotha
HRH Princess Margaret of Hesse and by Rhine
TRH Prince Georg Wilhelm and Princess Sophia of Hanover
The Rt Hon Louis Mountbatten, Earl Mountbatten of Burma