I do not like to talk about this topic, because I consider it very ugly to make these presuppositions, I wish King Constantine to live many years, and I wish him good health. I liked reading that he will be present at the funeral of Queen Elizabeth, that is good news.
From interviews given in recent years, and from his 2015 biography of him, it is deduce his will:
A private funeral, with his closest family and no Greek political authorities.(this is very relevant), in conclusion, unofficial, non-state, this is his will. He wants to be buried in the exact place that he and his wife have chose on the hill, from this point it can be see the sea.
In conclusion, his will would be private and with his closest family (with Royal Houses because they are family, this is not problem ). And we must all respect this.
This is true, that the Greek Republic does not consider the Kings to be Former Heads of State,but even if the Greek government, for reasons of image abroad...changed and granted an official character, this would be irrelevant and would have no value for family.
His will is the relevant. And this can be extended to Queen Anne-Marie.
But going back to the main topic, the funeral of Queen Elizabeth, I have also read that King Constantine would be present, this is very good news about heath of King, and sad news because he has lost a great friend.