Versois was the sister of actresses Marina Vlady, Hélène Vallier and Olga Baïdar-Poliakoff.

Their father, Vladimir, was a noted opera singer of Russian descent, and their mother, Militza Envald Voropanoff, was a dancer.

[1] Born in Paris, she began acting as a child and for a while pursued a ballet career.

[2] Versois married actor Jacques René Dacqmine (1923–2010; The Queen's Necklace) in 1951 but the couple divorced a year later.

She had four children by her second husband, Comte François Reynier Ambroise Henri Pozzo di Borgo, whom she married in 1953 but also divorced.[when?]