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On Jan. 16, 2023, Europe's royals gathered in Athens to say farewell to Constantine II, the last king of Greece, who died on Jan. 10 at 82 of a stroke. Constantine ruled from 1964 and until the Greek monarchy was abolished in 1973. Keep reading to see all the major royals who attended and learn how many of them are related to one another…
Britain's Princess Anne and husband Sir Timothy Laurence arrived at the Metropolitan Cathedral in Athens to attend the funeral of Greece's last king, Constantine II, on Jan. 16, 2023. Anne stood in for her brother, Britain's King Charles III.
MORE: See the best photos from British royals' funerals over the decades
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Britain's Lady Gabriella Windsor arrived at the Metropolitan Cathedral in Athens to attend the funeral of Greece's last king, Constantine II, on Jan. 16, 2023. She filled in for distant cousin Prince William, the godson of the late Greek king.
MORE: Stars we lost in 2023
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Monaco's Prince Albert II arrived at the Metropolitan Cathedral in Athens to attend the funeral of Greece's last king, Constantine II, on Jan. 16, 2023.
MORE: See the best photos from the state funeral of Britain's Queen Elizabeth II
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Crown Princess Marie-Chantal of Greece stood next to grieving widow Queen Anne-Marie of Greece outside the Metropolitan Cathedral in Athens where they attended the funeral of Greece's last king, Constantine II, on Jan. 16, 2023. Anne-Marie, who's the last queen of Greece, is the younger sister of Queen Margrethe II of Denmark.
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Prince Philippos of Greece and Denmark, Crown Prince Pavlos of Greece and Prince Nikolaos of Greece and Denmark — the sons of Greece's last king, Constantine II — followed their father's coffin as it is moved into the Metropolitan Cathedral in Athens for his funeral on Jan. 16, 2023.
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Britain's Princess Anne — with husband Sir Tim Laurence and cousin Lady Gabriella Windsor behind her — hugged Queen Margrethe II of Denmark during the funeral of the last king of Greece, Constantine II, at the cemetery of the former summer residence of Greece's royals in Tatoi, northwestern Athens, on Jan. 16, 2023.
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The Netherlands' King Willem-Alexander and Queen Maxima arrived at the Metropolitan Cathedral in Athens to attend the funeral of Greece's last king, Constantine II, on Jan. 16, 2023.
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Spain's King Felipe VI and Queen Letizia pay their respects in front of Constantine II's coffin during the funeral for the last king of Greece at the Metropolitan Cathedral in Athens on Jan. 16, 2023.
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The former King Juan Carlos I of Spain and his wife, the former Queen Sofia of Spain, arrived at the Metropolitan Cathedral in Athens to attend the funeral of Greece's last king, Constantine II, on Jan. 16, 2023. Sofia is the late monarch's sister.
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Norway's Crown Prince Haakon was flanked by wife Crown Princess Mette-Marit and sister Princess Martha Louise of Norway as they arrived at the Metropolitan Cathedral in Athens to attend the funeral of Greece's last king, Constantine II, on Jan. 16, 2023.
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Denmark's Crown Prince Frederik, Prince Joachim and Queen Margrethe — who's the older sister of Greece's last queen, Anne-Marie — arrived at the Metropolitan Cathedral in Athens to attend the funeral of Greece's last king, Constantine II, on Jan. 16, 2023.
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Spain's King Felipe VI and Queen Letizia sat in a pew next to Belgium's King Philippe and Queen Mathilde during the funeral service for Constantine II — the last king of Greece — at the Metropolitan Cathedral in Athens on Jan. 16, 2023.
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Sweden's King Carl XVI Gustaf and Queen Silvia, along with other European royals, attended the funeral service for Constantine II — the last king of Greece — at the Metropolitan Cathedral in Athens on Jan. 16, 2023. Sweden's king is a first cousin of Greece's former Queen Anne-Marie, Constantine's widow.
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Queen Mathilde of Belgium, King Philippe of Belgium, Queen Maxima of The Netherlands, King Willem-Alexander of The Netherlands, Prince Albert II of Monaco and Henri, Grand Duke of Luxembourg shared a pew at the funeral of Greece's last king, Constantine II, at the Metropolitan Cathedral in Athens on Jan. 16, 2023.
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Queen Letizia of Spain, King Felipe VI of Spain, Queen Mathilde of Belgium, King Philippe of Belgium, Queen Maxima of The Netherlands and King Willem-Alexander of The Netherlands, Prince Albert II of Monaco and Henri, Grand Duke of Luxembourg shared a pew at the funeral of Greece's last king, Constantine II, at the Metropolitan Cathedral in Athens on Jan. 16, 2023.
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Prince Albert II of Monaco, Henri, Grand Duke of Luxembourg, Queen Silvia of Sweden, King Carl XVI Gustaf of Sweden, Britain's Sir Tim Laurence, Britain's Princess Anne, Crown Princess Mette-Marit of Norway and Crown Prince Haakon of Norway attended the funeral service for Greece's last king, Constantine II, inside the Metropolitan Cathedral in Athens on Jan. 16, 2023.
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King Felipe VI of Spain, Queen Mathilde of Belgium, King Philippe of Belgium, Queen Maxima of The Netherlands and King Willem-Alexander of The Netherlands shared a pew at the funeral of Greece's last king, Constantine II, on Jan. 16, 2023.