Eugenia Livanos was the third wife of Stavros Niarchos

Stavros Niarchos

Stavros Spyros Niarchos was a Greek shipping tycoon, sometimes known as "The Golden Greek." In 1952, Stavros Niarchos built the first supertankers capable of transporting large quantities of oil, and subsequently earned millions of dollars as global demand for his ships increased.- Early life :He...

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She was the daughter of shipping magnate Stavros G. Livanos

Stavros G. Livanos

Stavros George Livanos was a native of Chios. He was the founder of the Livanos shipping empire and was a rival as well as father-in-law to both Aristotle Onassis and Stavros Niarchos.- Early life :...

 and his wife Arietta Zafirakis. Her sister was Athina Livanos

Athina Livanos

Athina Mary Livanos Onassis Spencer-Churchill Niarchos was the second daughter of the Greek shipping magnate Stavros Livanos. She was best known as the first wife of Aristotle Onassis, but she later married her older sister Eugenia's widower, Stavros Niarchos...

, the wife successively of Aristotle Onassis

Aristotle Onassis

Aristotle Sokratis Onassis , commonly called Ari or Aristo Onassis, was a prominent Greek shipping magnate.- Early life :Onassis was born in Karatass, a suburb of Smyrna to Socrates and Penelope Onassis...

 and Stavros Niarchos. In 1947 she married Stavros Niarchos. The couple had four children, Philip, Spyros

Spyros Niarchos

Spyros Stavros Niarchos was born in 1955, second son of the Greek shipping magnate Stavros Niarchos and Eugenia Livanos. He is a grandson of another Greek shipping giant, his mother's father, Stavros G. Livanos....

, Konstantinos and Maria.

On 4 May 1970, she was found dead at home in the Niarchos family's private island Spetsopoula

Spetsopoula

Spetsopoula is a private island situated to the southeast of Spetses, which is one of the Saronic Islands, in the region of Attica and the Aegean Sea. It was purchased by the Greek tycoon Stavros Niarchos, a native of Attica...

, having died from an overdose of barbiturate

Barbiturate

Barbiturates are drugs that act as central nervous system depressants, and can therefore produce a wide spectrum of effects, from mild sedation to total anesthesia. They are also effective as anxiolytics, as hypnotics, and as anticonvulsants...

s. An inquiry into the circumstances of her death exonerated her husband.

She is buried in the family tomb of the Niarchos family.