Memorials for Britain's Queen Elisabeth hang from a tree in the Green Park near Buckingham Palace, following the passing of Britain's Queen Elizabeth, in London, Britain, September 10, 2022. REUTERS/John Sibley 

Belgium's Princess Eleonore, Prince Gabriel, Queen Mathilde, King Philippe, Crown Princess Elisabeth and Prince Emmanuel pose for a photograph during Belgian national day celebrations in Brussels, Belgium July 21, 2022. REUTERS/Yves Herman 

Belgium's Crown Princess Elisabeth, Prince Emmanuel, Queen Mathilde and King Philippe leave after attending Belgian national day celebrations in Brussels, Belgium July 21, 2022. REUTERS/Yves Herman 

Belgium's Queen Mathilde waves as she, King Philippe, Princess Eleonore, Prince Gabriel, Crown Princess Elisabeth and Prince Emmanuel walk during Belgian national day celebrations in Brussels, Belgium July 21, 2022. REUTERS/Yves Herman 

Belgium's Princess Eleonore, Prince Gabriel, Queen Mathilde, King Philippe, Crown Princess Elisabeth and Prince Emmanuel pose for a photograph during Belgian national day celebrations in Brussels, Belgium July 21, 2022. REUTERS/Yves Herman 

Belgium's Princess Eleonore, Prince Gabriel, Queen Mathilde, King Philippe, Crown Princess Elisabeth and Prince Emmanuel pose for a photograph during Belgian national day celebrations in Brussels, Belgium July 21, 2022. REUTERS/Yves Herman 

Belgium's King Philippe, Queen Mathilde, Prince Gabriel, Crown Princess Elisabeth and Prince Emmanuel watch as members of the Belgian military perform during the Belgian national day celebrations in Brussels, Belgium July 21, 2022. REUTERS/Yves Herman 

Belgium's King Philippe, Queen Mathilde, Princess Eleonore, Prince Gabriel, Crown Princess Elisabeth and Prince Emmanuel watch as members of the Belgian military perform during the Belgian national day celebrations in Brussels, Belgium July 21, 2022. REUTERS/Yves Herman 

Belgium's King Philippe salutes as he, Queen Mathilde, Prince Gabriel, Crown Princess Elisabeth and Prince Emmanuel attend Belgian national day celebrations in Brussels, Belgium July 21, 2022. REUTERS/Yves Herman 

Belgium's King Philippe, Queen Mathilde, Princess Eleonore, Prince Gabriel, Crown Princess Elisabeth and Prince Emmanuel attend Belgian national day celebrations in Brussels, Belgium July 21, 2022. REUTERS/Yves Herman 

Belgium's King Philippe, Queen Mathilde and their children Princess Eleonore, Prince Gabriel, Crown Princess Elisabeth and Prince Emmanuel leave the Sainte-Gudule cathedral after a religious service (Te Deum) on Belgian national day in Brussels, Belgium July 21, 2022. REUTERS/Johanna Geron 

Belgium's King Philippe, Queen Mathilde and their children Princess Eleonore, Prince Gabriel, Crown Princess Elisabeth and Prince Emmanuel attend celebrations during Belgian national day in Brussels, Belgium July 21, 2022. REUTERS/Johanna Geron 

Belgium's King Philippe, Queen Mathilde and their children Princess Eleonore, Prince Gabriel, Crown Princess Elisabeth and Prince Emmanuel leave the Sainte-Gudule cathedral after a religious service (Te Deum) on Belgian national day in Brussels, Belgium July 21, 2022. REUTERS/Johanna Geron 

Belgium's King Philippe, Queen Mathilde and their children Princess Eleonore, Prince Gabriel, Crown Princess Elisabeth and Prince Emmanuel leave the Sainte-Gudule cathedral after a religious service (Te Deum) on Belgian national day in Brussels, Belgium July 21, 2022. REUTERS/Johanna Geron 

Belgium's King Philippe, Queen Mathilde and their children Princess Eleonore, Prince Gabriel, Crown Princess Elisabeth and Prince Emmanuel leave the Sainte-Gudule cathedral after a religious service (Te Deum) on Belgian national day in Brussels, Belgium July 21, 2022. REUTERS/Johanna Geron 

Belgium's King Philippe, Queen Mathilde and their children Princess Eleonore, Prince Gabriel, Crown Princess Elisabeth and Prince Emmanuel attend celebrations during Belgian national day in Brussels, Belgium July 21, 2022. REUTERS/Johanna Geron 

Belgium's King Philippe, Queen Mathilde and their children Princess Eleonore, Prince Gabriel, Crown Princess Elisabeth and Prince Emmanuel attend a religious service (Te Deum) on Belgian national day at the Sainte-Gudule cathedral in Brussels, Belgium July 21, 2022. REUTERS/Johanna Geron 

Belgium's King Philippe, Queen Mathilde and their children Princess Eleonore, Prince Gabriel, Crown Princess Elisabeth and Prince Emmanuel attend a religious service (Te Deum) on Belgian national day at the Sainte-Gudule cathedral in Brussels, Belgium July 21, 2022. REUTERS/Johanna Geron 

Belgium's King Philippe, Queen Mathilde and their children Crown Princess Elisabeth and Prince Emmanuel arrive at the Sainte-Gudule cathedral for a religious service (Te Deum) on Belgian national day in Brussels, Belgium July 21, 2022. REUTERS/Johanna Geron 

Belgium's King Philippe, Queen Mathilde and their children Princess Eleonore, Prince Gabriel, Crown Princess Elisabeth and Prince Emmanuel arrive at the Sainte-Gudule cathedral for a religious service (Te Deum) on Belgian national day in Brussels, Belgium July 21, 2022. REUTERS/Johanna Geron 

Belgium's Queen Mathilde, King Philippe, Princess Eleonore, Prince Gabriel, Crown Princess Elisabeth and Prince Emmanuel leave after attending a religious service (Te Deum) at the Sainte-Gudule cathedral on Belgian national day in Brussels, Belgium July 21, 2021. REUTERS/Johanna Geron 

Belgium's Queen Mathilde, King Philippe, Princess Eleonore, Prince Gabriel, Crown Princess Elisabeth and Prince Emmanuel leave after attending a religious service (Te Deum) at the Sainte-Gudule cathedral on Belgian national day in Brussels, Belgium July 21, 2021. REUTERS/Johanna Geron 

Belgium's Queen Mathilde, King Philippe, Princess Eleonore, Prince Gabriel, Crown Princess Elisabeth and Prince Emmanuel leave after attending a religious service (Te Deum) at the Sainte-Gudule cathedral on Belgian national day in Brussels, Belgium July 21, 2021. REUTERS/Johanna Geron 

Belgium's Queen Mathilde, King Philippe, Princess Eleonore, Prince Gabriel, Crown Princess Elisabeth and Prince Emmanuel leave after attending a religious service (Te Deum) at the Sainte-Gudule cathedral on Belgian national day in Brussels, Belgium July 21, 2021. REUTERS/Johanna Geron 

Belgium's Queen Mathilde, King Philippe, Princess Eleonore, Prince Gabriel, Crown Princess Elisabeth and Prince Emmanuel leave after attending a religious service (Te Deum) at the Sainte-Gudule cathedral on Belgian national day in Brussels, Belgium July 21, 2021. REUTERS/Johanna Geron 

Belgium's Queen Mathilde, King Philippe and Crown Princess Elisabeth arrive to attend a religious service (Te Deum) at the Sainte-Gudule cathedral on Belgian national day in Brussels, Belgium July 21, 2021. REUTERS/Johanna Geron 

Belgium's Queen Mathilde, King Philippe, Princess Eleonore, Prince Gabriel, Crown Princess Elisabeth and Prince Emmanuel arrive to attend a religious service (Te Deum) at the Sainte-Gudule cathedral on Belgian national day in Brussels, Belgium July 21, 2021. REUTERS/Johanna Geron 

Belgium's Queen Mathilde, King Philippe, Princess Eleonore, Prince Gabriel, Crown Princess Elisabeth and Prince Emmanuel arrive to attend a religious service (Te Deum) at the Sainte-Gudule cathedral on Belgian national day in Brussels, Belgium July 21, 2021. REUTERS/Johanna Geron 

Belgium's Queen Mathilde, King Philippe, Princess Eleonore, Prince Gabriel, Crown Princess Elisabeth and Prince Emmanuel attend a religious service (Te Deum) at the Sainte-Gudule cathedral on Belgian national day in Brussels, Belgium July 21, 2021. REUTERS/Johanna Geron 

Belgium's Queen Mathilde, King Philippe, Princess Eleonore, Prince Gabriel, Crown Princess Elisabeth and Prince Emmanuel attend a religious service (Te Deum) at the Sainte-Gudule cathedral on Belgian national day in Brussels, Belgium July 21, 2021. REUTERS/Johanna Geron 

Belgium's Queen Mathilde, King Philippe and Crown Princess Elisabeth arrive to attend a religious service (Te Deum) at the Sainte-Gudule cathedral on Belgian national day in Brussels, Belgium July 21, 2021. REUTERS/Johanna Geron 

Belgium's Queen Mathilde, King Philippe, Princess Eleonore, Prince Gabriel, Crown Princess Elisabeth and Prince Emmanuel arrive to attend a religious service (Te Deum) at the Sainte-Gudule cathedral on Belgian national day in Brussels, Belgium July 21, 2021. REUTERS/Johanna Geron 

Belgium's King Philippe and Queen Mathilde attend the closing concert of the Queen Elisabeth Music Competition 2021 in Brussels, Belgium June 9, 2021.REUTERS/Johanna Geron/Pool 

Belgium's King Philippe, Queen Mathilde, former King Albert II and Queen Paola attend the closing concert of the Queen Elisabeth Music Competition 2021 in Brussels, Belgium June 9, 2021.REUTERS/Johanna Geron/Pool 

Queen Mathilde, former Queen Paola and King Albert II attend the closing concert of the Queen Elisabeth Music Competition 2021 in Brussels, Belgium June 9, 2021.REUTERS/Johanna Geron/Pool 

Belgium's King Philippe, Queen Mathilde, former King Albert II and Queen Paola attend the closing concert of the Queen Elisabeth Music Competition 2021 in Brussels, Belgium June 9, 2021.REUTERS/Johanna Geron/Pool 

Belgium's King Philippe and Queen Mathilde attend the closing concert of the Queen Elisabeth Music Competition 2021 in Brussels, Belgium June 9, 2021.REUTERS/Johanna Geron/Pool 

Belgium's King Philippe, Queen Mathilde, former King Albert II and Queen Paola attend the closing concert of the Queen Elisabeth Music Competition 2021 in Brussels, Belgium June 9, 2021.REUTERS/Johanna Geron/Pool 

Belgian Princess Eleonore, Prince Gabriel, Queen Mathilde, King Philippe, Crown Princess Elisabeth and Prince Emmanuel pose for a group photo during a traditional Christmas ceremony at the Royal Palace in Brussels, Belgium December 16, 2020. Picture taken December 16, 2020. Frederic Sierkowski/Pool via REUTERS 

Belgian Princess Eleonore, Prince Gabriel, Queen Mathilde, King Philippe, Crown Princess Elisabeth and Prince Emmanuel pose for a group photo during a traditional Christmas ceremony at the Royal Palace in Brussels, Belgium December 16, 2020. Picture taken December 16, 2020. Frederic Sierkowski/Pool via REUTERS 

Belgium's Queen Mathilde, King Philippe, Princess Eleonore, Prince Gabriel, Crown Princess Elisabeth and Prince Emmanuel leave after a celebration on the occasion of Belgian national day, in Brussels, Belgium, July 21, 2020. REUTERS/Francois Lenoir 

Belgium's Queen Mathilde, King Philippe and Crown Princess Elisabeth attend a celebration on the occasion of Belgian national day, in Brussels, Belgium, July 21, 2020. REUTERS/Francois Lenoir 

Belgium's Queen Mathilde, King Philippe and Crown Princess Elisabeth attend a celebration on the occasion of Belgian national day, in Brussels, Belgium, July 21, 2020. REUTERS/Francois Lenoir 

Belgium's Queen Mathilde, King Philippe and Crown Princess Elisabeth attend a celebration on the occasion of Belgian national day, in Brussels, Belgium, July 21, 2020. REUTERS/Francois Lenoir 

Belgium's Queen Mathilde, King Philippe, Crown Princess Elisabeth and Prince Emmanuel leave after attending a religious service (Te Deum) at the Sainte-Gudule cathedral, on the occasion of Belgian national day, in Brussels, Belgium, July 21, 2020. REUTERS/Francois Lenoir 

Belgium's Queen Mathilde, King Philippe and Crown Princess Elisabeth leave after attending a religious service (Te Deum) at the Sainte-Gudule cathedral, on the occasion of Belgian national day, in Brussels, Belgium, July 21, 2020. REUTERS/Francois Lenoir 

Belgium's Queen Mathilde, King Philippe and Crown Princess Elisabeth leave after attending a religious service (Te Deum) at the Sainte-Gudule cathedral, on the occasion of Belgian national day, in Brussels, Belgium, July 21, 2020. REUTERS/Francois Lenoir 

Belgium's Queen Mathilde, King Philippe and Crown Princess Elisabeth leave after attending a religious service (Te Deum) at the Sainte-Gudule cathedral, on the occasion of Belgian national day, in Brussels, Belgium, July 21, 2020. REUTERS/Francois Lenoir 

Belgium's Queen Mathilde, King Philippe, Crown Princess Elisabeth and Prince Emmanuel arrive to attend a religious service (Te Deum) at the Sainte-Gudule cathedral, on the occasion of Belgian national day, in Brussels, Belgium, July 21, 2020. REUTERS/Francois Lenoir 

Belgium's Princess Eleonore, Prince Gabriel, Queen Mathilde, King Philippe, Crown Princess Elisabeth and Prince Emmanuel leave after attending a religious service (Te Deum) at the Sainte-Gudule cathedral, on the occasion of Belgian national day, in Brussels, Belgium, July 21, 2020. REUTERS/Francois Lenoir 

Belgium's Princess Eleonore, Prince Gabriel, Queen Mathilde, King Philippe, Crown Princess Elisabeth and Prince Emmanuel attend a religious service (Te Deum) at the Sainte-Gudule cathedral, on the occasion of Belgian national day, in Brussels, Belgium, July 21, 2020. REUTERS/Francois Lenoir 

Belgium's Queen Mathilde, King Philippe, Crown Princess Elisabeth and Prince Emmanuel arrive to attend a religious service (Te Deum) at the Sainte-Gudule cathedral, on the occasion of Belgian national day, in Brussels, Belgium, July 21, 2020. REUTERS/Francois Lenoir 

Belgium's Queen Mathilde, King Philippe, Crown Princess Elisabeth and Prince Emmanuel arrive to attend a religious service (Te Deum) at the Sainte-Gudule cathedral, on the occasion of Belgian national day, in Brussels, Belgium, July 21, 2020. REUTERS/Francois Lenoir 

Belgium's Princess Eleonore, Prince Gabriel, Queen Mathilde, King Philippe, Crown Princess Elisabeth and Prince Emmanuel attend a religious service (Te Deum) at the Sainte-Gudule cathedral, on the occasion of Belgian national day, in Brussels, Belgium, July 21, 2020. REUTERS/Francois Lenoir 

Belgium's Queen Mathilde, King Philippe, Crown Princess Elisabeth and Prince Emmanuel attend a religious service (Te Deum) at the Sainte-Gudule cathedral, on the occasion of Belgian national day, in Brussels, Belgium, July 21, 2020. REUTERS/Francois Lenoir 

Belgium's Prince Gabriel, Queen Mathilde, King Philippe, Crown Princess Elisabeth and Prince Emmanuel attend a religious service (Te Deum) at the Sainte-Gudule cathedral, on the occasion of Belgian national day, in Brussels, Belgium, July 21, 2020. REUTERS/Francois Lenoir 

Belgium's Princess Eleonore, Prince Gabriel, Queen Mathilde, King Philippe, Crown Princess Elisabeth and Prince Emmanuel attend a religious service (Te Deum) at the Sainte-Gudule cathedral, on the occasion of Belgian national day, in Brussels, Belgium, July 21, 2020. REUTERS/Francois Lenoir 

Crown Princess Elisabeth, King Philippe of Belgium and King Albert visit the 'Tombeau du geant', in Botassart near Bouillon, Belgium, June 28, 2020. Julien Warnand/Pool 

(L-R) Prince Emmanuel, Queen Mathilde of Belgium, Princess Eleonore, King Philippe of Belgium, Prince Gabriel and Crown Princess Elisabeth during a visit to the 'Tombeau du geant', in Botassart near Bouillon, Province of Luxembourg, Belgium, 28 June 2020. To support the tourism sector, the King and the Queen and their children will make two visits to emblematic tourist places in Belgium. POOL EPA/JULIEN WARNAND 

Crown Princess Elisabeth, Prince Gabriel, King Philippe of Belgium, Queen Mathilde of Belgium, Princess Eleonore and Prince Emmanuel visit the 'Tombeau du geant', in Botassart near Bouillon, Belgium, June 28, 2020. Julien Warnand/Pool