Her mother was Ava Alice Muriel Astor and her father was Raimund von Hofmannsthal.

[3] In 1958, her grandmother died and left her a substantial sum that enabled her to take an interest in contemporary art.

She began to buy pop-art pieces and at the same time her home at Elm Place became popular with artists and dealers.

[4] On 1 November 1950, she married Belgian financier Jean Louis Ganshof van der Meersch at the Church of the Holy Trinity in New York.

[5] They moved to London and, before their divorce in 1963, they had three children together:[1] Prince Azamat later married Frederica Ann "Bobo" Sigrist, daughter of Fred Sigrist (a Nassau born heiress who was previously married to Kevin McClory, who directed several James Bond films)[6] Guirey died in Fulham in England in 1997.