Guests of the religious wedding of Prince Aimone of Savoy & Princess Olga of Greece:
Prince and Princess Michael of Greece
Prince Amedeo of Savoy & Princess Claude of France
King Constantine of Greece
Queen Anna Maria of Greece
Queen Sofia of Spain
Princess Alexandra of Greece & husband
Princess Irene of Greece and Denmark
Princess Maria Gabriella of Savoy
Princess Silvia of Savoy
Prince Casimir of Bourbon-Two Sicilies
Princess Maria Cristina of Bourbon-Two Sicilies (nee Princess of Savoy-Aosta)
Princess Bianca of Savoy-Aosta & husband
Princess Mafalda of Savoy-Aosta & husband
Source:
http://www.crocerealedisavoia.it/index.php