This week, the family of King Constantine II of Greece came together to celebrate his 81st birthday. In addition to his wife Queen Anne-Marie, the king was joined by his children Prince Nikolaos of Greece and Princess Theodora of Greece. Constantine’s sisters Queen Sofía of Spain and Princess Irene also were on hand to mark this special moment in the life of their brother. Constantine was born on 2 June 1940 at the Psychiko Palace in Psychiko, a suburb of Athens, as the only son of then Crown Prince Paul of Greece and his wife Princess Frederica of Hanover.