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Dozens of European royals and aristocrats gathered at Windsor Castle in the U.K. to attend a memorial service for the last king of Greece, who passed away in 2023. But the top two British royals — King Charles III and Prince William — were noticeably absent. Charles, British media reported, stayed away since he is currently undergoing cancer treatment, while the Prince of Wales — who was set to do a reading during the service — canceled last minute due to a "personal matter."
That still left plenty of familiar faces. Join us as we take a look at the biggest royal names in attendance…
Britain's Queen Camilla departs the Thanksgiving Service for Greece's late King Constantine of the Hellenes at St. George's Chapel at Windsor Castle in Windsor, England, on Feb. 27, 2024. Constantine II, head of the Royal House of Greece, reigned as the last King of the Hellenes from March 6, 1964, to June 1, 1973, and died in Athens at 82 in January 2023.
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Prince Andrew, Duke of York, and Sarah, Duchess of York attend the Thanksgiving Service for Greece's late King Constantine of the Hellenes at St. George's Chapel at Windsor Castle in Windsor, England, on Feb. 27, 2024. Constantine II, head of the Royal House of Greece, reigned as the last King of the Hellenes from March 6, 1964, to June 1, 1973, and died in Athens at 82 in January 2023.
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Crown Princess Marie-Chantal of Greece and Crown Prince Pavlos of Greece attend the Thanksgiving Service for Greece's King Constantine of the Hellenes at St. George's Chapel at Windsor Castle in Windsor, England, on Feb. 27, 2024. Constantine II, who died on Jan. 10, 2023, was the last King of Greece, reigning from 1964 to 1974.
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Britain's Princess Beatrice and husband Edoardo Mapelli Mozzi attend the Thanksgiving Service for Greece's King Constantine of the Hellenes at St. George's Chapel at Windsor Castle in Windsor, England, on Feb. 27, 2024. Constantine II, who died on Jan. 10, 2023, was the last King of Greece, reigning from 1964 to 1974.
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Mike Tindall and Zara Tindall — the daughter of Britain's Princess Anne — attend the Thanksgiving Service for Greece's King Constantine of the Hellenes at St. George's Chapel at Windsor Castle in Windsor, England, on Feb. 27, 2024. Constantine II, who died on Jan. 10, 2023, was the last King of Greece, reigning from 1964 to 1974.
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Prince Andrew, Duke of York attends the Thanksgiving Service for Greece's late King Constantine of the Hellenes at St. George's Chapel at Windsor Castle in Windsor, England, on Feb. 27, 2024.
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Britain's Princess Anne and Queen Camilla are joined by Queen Anne Marie of Greece and Crown Prince Pavlos of Greece as the royals depart the Thanksgiving Service for Greece's late King Constantine of the Hellenes at St. George's Chapel at Windsor Castle in Windsor, England, on Feb. 27, 2024. Constantine II, head of the Royal House of Greece, reigned as the last King of the Hellenes from March 6, 1964, to June 1, 1973, and died in Athens at 82 in January 2023.
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Britain's Queen Camilla departs the Thanksgiving Service for Greece's late King Constantine of the Hellenes at St. George's Chapel at Windsor Castle in Windsor, England, on Feb. 27, 2024. Constantine II, head of the Royal House of Greece, reigned as the last King of the Hellenes from March 6, 1964, to June 1, 1973, and died in Athens at 82 in January 2023.
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Prince Pavlos, Crown Prince of Greece, Prince of Denmark RE and Marie-Chantal, Crown Princess of Greece, Princess of Denmark (both front), Princess Maria-Olympia of Greece and Denmark (third left), Princess Nina of Greece and Denmark and Prince Philippos of Greece and Denmark (fifth right), Princess Theodora of Greece and Denmark (second right) and Matthew Jeremiah Kumar (right) attend the Thanksgiving Service for Greece's King Constantine of the Hellenes at St. George's Chapel at Windsor Castle in Windsor, England, on Feb. 27, 2024.
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Birgitte, Duchess of Gloucester and her husband, Prince Richard, Duke of Gloucester, attend the Thanksgiving Service for Greece's King Constantine of the Hellenes at St. George's Chapel at Windsor Castle in Windsor, England, on Feb. 27, 2024. Constantine II, who died on Jan. 10, 2023, was the last King of Greece, reigning from 1964 to 1974.
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Britain's Prince Andrew sings during the Thanksgiving Service for Greece's King Constantine of the Hellenes at St. George's Chapel at Windsor Castle in Windsor, England, on Feb. 27, 2024. Constantine II, who died on Jan. 10, 2023, was the last King of Greece, reigning from 1964 to 1974.
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Princess Michael of Kent and Prince Michael of Kent attend the Thanksgiving Service for Greece's King Constantine of the Hellenes at St. George's Chapel at Windsor Castle in Windsor, England, on Feb. 27, 2024. Constantine II, who died on Jan. 10, 2023, was the last King of Greece, reigning from 1964 to 1974.
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Spain's King Felipe VI and Queen Letizia attend the Thanksgiving Service for Greece's King Constantine of the Hellenes at St. George's Chapel at Windsor Castle in Windsor, England, on Feb. 27, 2024. Constantine II, who died on Jan. 10, 2023, was the last King of Greece, reigning from 1964 to 1974.
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The former King Juan Carlos of Spain and his son, the current King Felipe VI of Spain, attend the Thanksgiving Service for Greece's King Constantine of the Hellenes at St. George's Chapel at Windsor Castle in Windsor, England, on Feb. 27, 2024. Constantine II, who died on Jan. 10, 2023, was the last King of Greece, reigning from 1964 to 1974.
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Prince Andrew, Duke of York attends the Thanksgiving Service for Greece's late King Constantine of the Hellenes at St. George's Chapel at Windsor Castle in Windsor, England, on Feb. 27, 2024.
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Britain's Queen Camilla departs the Thanksgiving Service for Greece's late King Constantine of the Hellenes at St. George's Chapel at Windsor Castle in Windsor, England, on Feb. 27, 2024. Constantine II, head of the Royal House of Greece, reigned as the last King of the Hellenes from March 6, 1964, to June 1, 1973, and died in Athens at 82 in January 2023.
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Prince Philippos of Greece, former Queen Sofia of Spain and Princess Irene of Greece attend the Thanksgiving Service for Greece's King Constantine of the Hellenes at St. George's Chapel at Windsor Castle in Windsor, England, on Feb. 27, 2024. Constantine II, who died on Jan. 10, 2023, was the last King of Greece, reigning from 1964 to 1974.
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Britain's Sarah, Duchess of York speaks to a member of the clergy at the Thanksgiving Service for Greece's King Constantine of the Hellenes at St. George's Chapel at Windsor Castle in Windsor, England, on Feb. 27, 2024. Constantine II, who died on Jan. 10, 2023, was the last King of Greece, reigning from 1964 to 1974.
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Royals, aristocrafts and dignitaries from around the world gather for a memorial service honoring Greece's last monarch, King Constantine of the Hellenes — who died in January 2023 — at St. George's Chapel at Windsor Castle in Windsor, England, on Feb. 27, 2024.
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Crown Prince Pavlos of Greece shakes hands with a clergy member at the Thanksgiving Service for Greece's King Constantine of the Hellenes at St. George's Chapel at Windsor Castle in Windsor, England, on Feb. 27, 2024. Constantine II, who died on Jan. 10, 2023, was the last King of Greece, reigning from 1964 to 1974.
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Princess Nina of Greece and Denmark and Prince Philippos of Greece and Denmark attend the Thanksgiving Service for Greece's King Constantine of the Hellenes at St. George's Chapel at Windsor Castle in Windsor, England, on Feb. 27, 2024. Constantine II, who died on Jan. 10, 2023, was the last King of Greece, reigning from 1964 to 1974.
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Prince Andrew, Duke of York and Sarah, Duchess of York attend the Thanksgiving Service for Greece's late King Constantine of the Hellenes at St. George's Chapel at Windsor Castle in Windsor, England, on Feb. 27, 2024. Constantine II, head of the Royal House of Greece, reigned as the last King of the Hellenes from March 6, 1964, to June 1, 1973, and died in Athens at 82 in January 2023.
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Britain's Princess Beatrice and her husband, Edoardo Mapelli Mozzi, attend the Thanksgiving Service for Greece's King Constantine of the Hellenes at St. George's Chapel at Windsor Castle in Windsor, England, on Feb. 27, 2024. Constantine II, who died on Jan. 10, 2023, was the last King of Greece, reigning from 1964 to 1974.
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Crown Princess Marie-Chantal of Greece attends the Thanksgiving Service for Greece's King Constantine of the Hellenes at St. George's Chapel at Windsor Castle in Windsor, England, on Feb. 27, 2024.
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Britain's Zara Tindall, Mike Tindall, Princess Anne, Princess Beatrice and Lady Sarah Chatto (Princess Margaret's daughter) attend the Thanksgiving Service for Greece's King Constantine of the Hellenes at St. George's Chapel at Windsor Castle in Windsor, England, on Feb. 27, 2024. Constantine II, who died on Jan. 10, 2023, was the last King of Greece, reigning from 1964 to 1974.
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Penelope Knatchbull, Countess Mountbatten of Burma attends the Thanksgiving Service for Greece's King Constantine of the Hellenes at St. George's Chapel at Windsor Castle in Windsor, England, on Feb. 27, 2024. Constantine II, who died on Jan. 10, 2023, was the last King of Greece, reigning from 1964 to 1974.
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Britain's Princess Anne and Queen Camilla are joined by Queen Anne Marie of Greece and Crown Prince Pavlos of Greece as the royals depart the Thanksgiving Service for Greece's late King Constantine of the Hellenes at St. George's Chapel at Windsor Castle in Windsor, England, on Feb. 27, 2024. Constantine II, head of the Royal House of Greece, reigned as the last King of the Hellenes from March 6, 1964, to June 1, 1973, and died in Athens at 82 in January 2023.
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As seen in the front row, left to right, Princess Olympia of Greece, Prince Achileas-Andreas of Greece, Carlos Morales and Princess Tatiana of Greece, are joined by second row, left to right, King Felipe VI of Spain, Queen Letizia, the former King Juan Carlos of Spain and Princess Benedikte of Denmark at the Thanksgiving Service for Greece's King Constantine of the Hellenes at St. George's Chapel at Windsor Castle in Windsor, England, on Feb. 27, 2024. Constantine II, who died on Jan. 10, 2023, was the last King of Greece, reigning from 1964 to 1974.
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Princess Elena, Duchess of Lugo, Princess Cristina of Spain and Juan Valentin Urdangarin attend the Thanksgiving Service for Greece's King Constantine of the Hellenes at St. George's Chapel at Windsor Castle in Windsor, England, on Feb. 27, 2024. Constantine II, who died on Jan. 10, 2023, was the last King of Greece, reigning from 1964 to 1974.
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Britain's Queen Camilla follows along with the program during the Thanksgiving Service for Greece's King Constantine of the Hellenes at St. George's Chapel at Windsor Castle in Windsor, England, on Feb. 27, 2024. Constantine II, who died on Jan. 10, 2023, was the last King of Greece, reigning from 1964 to 1974.