Prince Constantine-Alexios of Greece and Denmark is a member of the former Greek royal family. He was born on October 29, 1998, in New York City and is the eldest son of Crown Prince Pavlos and Crown Princess Marie-Chantal of Greece. He is the grandson of Constantine II, the last King of the Hellenes, and Queen Anne-Marie of Denmark. Constantine-Alexios has Greek and Danish royal heritage and holds the title of Prince of Greece and Denmark. He was christened in a Greek Orthodox ceremony in London and educated in England and the United States, graduating from Georgetown University. In addition to royal duties, he is a painter, sculptor, and has modeled for Dior. In 2024, he and other members of the former royal family were granted Greek citizenship under the surname "de Grèce" (of Greece). He is also known for his social presence and some public relationships, including a recent reported relationship with American model Madelyn Cline. Constantine-Alexios is second in line to the former Greek throne after his father and has three younger brothers and one older sister.