Konstantinos Niarxos

Konstantin, or Constantine Niarchos (1962-1999); married 1stly 1987 (divorced) Princess Alessandra Borghese, no issue; married 2ndly the Brazilian artist Silvia Martin, no issue. He was the first Greek to scale Mt. Everest. At his death of a massive cocaine overdose in 1999, The Independent (UK) reported he had been left one billion dollars as his share of his late father's estate.