His father was Nicholas Demetriades. According to Alex Demetriades (Tetos' son) - Tetos' grandfather was from Santorini.
The death certificate lists under profession: "Producer". Under kind of business: "Music Recording".
Tetos died at the Englewood Hospital, Bergen, New Jersey on 26 November 1971 from throat cancer at the age of 69.
He was buried on 29 November 1971 at/in the Russian Orthodox Convent Cemetery, Spring Valley, New York
Smith Road at Convent Road; 5000 graves: 1950 - present).
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