Children
Niarchos had two daughters and three sons:
By his third wife, Eugenia Livanos, whom he never divorced under Greek law:
Maria Isabella Niarchos, a breeder of thoroughbreds. Married to Stephane Gouazé. Mother of two children: Artur Gouazé and Maia Gouazé
Philip, art collector. Married in 1984 to his third wife Victoria Guinness (b. 1960), who is the younger daughter of Patrick Benjamin Guinness and Baroness Dolores von Fürstenberg-Herdringen. They had four children together: Stavros Niarchos (b. 1985, husband of Dasha Zhukova), Eugenie Niarchos (b. 1986), Theodorakis "Theo" Niarchos (b. 1991), Electra Niarchos (b. 1995).
Spyros (b. 1955) married 1987 (divorced 1999) the Hon. Daphne Guinness (b. 1967), daughter of Jonathan Guinness, 3rd Baron Moyne by his second wife Suzanne Lisney, and had three children: Nicolas Stavros Niarchos (b. 1989, husband of Malù dalla Piccola), Alexis Spyros Niarchos (b. 1991) and Ines Niarchos (b. 1995). Spyros is a good friend of Prince Ernst August of Hanover, and was best man at his wedding to Princess Caroline of Monaco.
Konstantin, or Constantine Niarchos (1962–1999); married firstly 1987 (divorced) Princess Alessandra Borghese, no issue; married secondly the Brazilian artist Sylvia Martins, no issue. He was the first Greek to scale Mount 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.
By his fourth wife; Charlotte Ford:
Elena Ford (b. 1966) married firstly 1991 (divorced) to Stanley Jozef Olender, married secondly 1996 (divorced) to Joseph Daniel Rippolone, married thirdly 2022 to Mitchell Seldin. With issue.
