...he had no Greek blood. He was a sprig of the Schleswig-Holstein-Sonderburg-Glücksburgs, the peripatetic and frequently exiled Danish royal family that the Greeks imported after winning independence from Turkey in the 1820s.Sooo... two centuries, and their "blood" still doesn't count as Greek?
What do you have to do to assimilate there; get a time machine and go back and make your ancestors immigrate during the Trojan war? Or will even that not suffice?