Queen Anne-Marie Queen Sofía of Spain Princess Irene Marina, consort of Prince Michael Prince Constantine-Alexios of Greece and Denmark (Greek: Κωνσταντίνος Αλέξιος Ντε Γκρες, romanized: Konstantínos-Aléxios de Grèce; born 29 October 1998) is a Greek painter, sculptor, and member of the former Greek royal family.

He is a grandson of Constantine II and Anne-Marie of Denmark, who were the last King and Queen of the Hellenes.

[2] Constantine-Alexios was christened in a Greek Orthodox ceremony at St. Sophia's Cathedral, London, on 15 April 1999.

[8] In August 2017, he matriculated at Georgetown University and his father, mother and siblings moved to New York with him.

[19] Οn 20 December 2024, Constantine-Alexios along with other members of the former royal family acquired Greek citizenship, under the surname de Grèce.