Queen Victoria Eugenia divide the chatons into two necklaces and leaved a specified in here will that the "biggest" collar, along with another set of jewelry, are delivered to her son Don Juan, with the desire that in the future would switch to hands of Don Juan Carlos.
A lot of jewelry that will be known as " the jewels to pass" .
King Juan Carlos received the "jewels to pass" after the abdication of his father in 1977, and since then the Reina Sofía has sported the "biggest" collar rarely.
Queen Victoria Eugenia divide the rest of her jewels among her other children, leaving necklace chatons "smaller", with 27 diamonds, to the Infante Don Jaime.
In 1977, Charlotte Tiedemann, second wife of Infante Don Jaime, auctioned at Christie's Geneva necklace chatons, which would be purchased by Alejandro Vega, a jeweler of Madrid, at just over 18 million pesetas (110,000 € ).
In 1982 it was bought by someone close to the Royal Family, so that the collar became with Queen Sofia, who will wear for the first time in the state visit of President of France, Francois Mitterand.
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A third chatons necklace that King Alfonso XIII gave his daughter in law , Dona Maria de las Mercedes, Countess of Barcelona, on the occasion of her wedding to Don Juan de Borbon.
Among the wedding gifts, Maria de las Mercedes also receive from Alfonso XIII the Russian tiara that belonged to his mother, Queen Christina, which most likely also belonged necklace chatons.
The Countess of Barcelona lend here daughter in law , the then Princess Sophia, the Russian tiara and necklace chatons so that could look at Persepolis in 1971, in celebration of the 2,500th anniversary of the Persian dynasty.
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After the death of the Countess of Barcelona is not clear who has this third necklace chatons.
By agreement of her three kids , King Juan Carlos and the infantas pilar and Margarita, the Russian tiara passed to the first, and today with Queen Sofia, but nothing is known about the chatons.