Following the invasion of France in 1940, she fled with her family to New York City, where she studied biochemistry and biology at Columbia University,[3] but never received an advanced degree.
She moved with the army to liberate Paris, where she served as a liaison between the French and United States military forces.
In the mid-1960s, she met the South African-born classical dancer, Jeannette Ordman, who had come to Israel in 1965 from London, England; the two women were professional partners until Rothschild's death.
[2] Through a trust, she had inherited part of a major art collection assembled by her grandfather Baron Alphonse James de Rothschild.
Rembrandt's "Portrait of a Lady" was sold by Christie's in London to the Dutch art dealer Robert Noortman for a record price of US$28.7 million.
A 13th-century Mamluk jug in pristine condition sold for £3,307,750 (US$4.8 million), a world record for Islamic glass, and two mosque lamps for £1,763,750 and £641,750.