Princess Olympia of Greece paid tribute to her beloved grandfather, former King Constantine II of Greece, with a touching Instagram post after a 40-day mourning period ended following his death. Constantine II died last month at age 82, leaving behind a devoted family, including five children - Crown Prince Pavlos, Princess Alexia, Prince Nikolaos, Princess Theodora and Prince Philippos - and nine grandchildren. "To my beloved Apapa, forever in my heart," Princess Olympia of Greece, 26, wrote in the caption of two photos of her grandfather. The first shows Constantine II practicing martial arts in his prime; the second shows her proud grandfather smiling at Olympia when she was a child. The personal tribute came as the family marked the end of a 40-day mourning period observed as part of Greek Orthodox tradition. Crown Prince Pavlos and his mother, former Queen Anne-Marie of Greece, led the mourning at a memorial service in Athens over the weekend. Crown Prince Pavlos, 55, left the moving service hand in hand with his 76-year-old mother and wife, Crown Princess Maria Chantal, 54. Meanwhile, Queen Sofia, mother of Spain's reigning King Felipe VI and sister of Constantine II, was supported by her nephews and nieces, including Prince Constantine-Alexios, 24, who was recently spotted outside with girlfriend Poppy Delevingne
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