A long list of guests attending the command performance in the Royal theatre, including lots of noble families:

https://www.kongehuset.dk/en/news/guest-list-for-the-command-performance-at-the-royal-theatre-at-10-september-2022

The most important are:

The Royal Family
Her Majesty the Queen
His Royal Highness the Crown Prince
Her Royal Highness the Crown Princess
His Royal Highness Prince Christian
Her Royal Highness Princess Isabella
His Royal Highness Prince Joachim
Her Royal Highness Princess Marie
His Highness Prince Nikolai
His Highness Prince Felix
Her Royal Highness Princess Benedikte
Her Highness Princess Alexandra zu Sayn-Wittgenstein-Berleburg
Kammerherre, hofjægermester, count Michael Ahlefeldt-Laurvig-Bille
Her Highness Princess Nathalie zu Sayn-Wittgenstein-Berleburg
Her Majesty Queen Anne-Marie
His Royal Highness Crown Prince Pavlos
Her Royal Highness Crown Princess Marie-Chantal
Her Royal Highness Princess Alexia
Don Carlos Morales Quintana
Her Royal Highness Princess Theodora
Mr Matthew Kumar
His Royal Highness Prince Philippos
Her Royal Highness Princess Nina

Nordic Heads of State
His Majesty King Carl XVI Gustaf of Sweden
Her Majesty Queen Silvia of Sweden
His Majesty King Harald V of Norway
Her Majesty Queen Sonja of Norway
His Excellency The President of the Republic of Finland Sauli Niinistö
Mrs Jenni Haukio
His Excellency The President of Iceland Guðni Th. Jóhannesson
Fr. Eliza Jean Reid

Other family and royal-related in the list
His Highness Prince Wilhelm zu Schaumburg-Lippe
Her Highness Princess Ilona zu Schaumburg-Lippe
His Excellency Count Ingolf af Rosenborg (former Prince of Denmark)
Countess Sussie af Rosenborg (his wife)
Doctor Desirée af Rosenborg (daugter of former Prince Flemming of Denmark)
Mr. Peter Rindom (her husband)
Countess Karin af Rosenborg (née Lüttichau, widow of Count Christian af Rosenborg, son of former Prince Erik of Denmark)
Director Mikael Warberg (her partner)
Administrator, chairman of the foundation ”Kong Frederik Den Ottendes Minde", Count Ulrik af Rosenborg (son of former Prince Oluf of Denmark)
Countess Judith af Rosenborg (his wife)
Her Excellency Alexandra Countess of Frederiksborg

Kammerherre, hofjægermester, godsejer Michael Iuel
Kammerherreinde Désirée Iuel (née Princess of Schaumburg-Lippe)

There were also several Castenschiolds/Castenskiolds present, but I am uncertain wether they are descendants of Princess Dagmar of Denmark (1890-1961)