Archduchess Estelle of Austria death: Archduke Carl Christian’s wife dies aged 46

Archduchess Estelle de Saint-Romain of Austria has died. She was 46.

A statement published in Le Figaro’s Carnet du Jour confirmed Estelle Lapra de Saint-Romain, who was married to Archduke Carl Christian of Austria, died on March 4, with her family laying her to rest at Monastère de Cimiez in Nice, France, one week later.

“Her husband, Archduke Carl Christian, their children, her parents, and her in-laws are deeply saddened to announce that Archduchess Estelle of Austria, née Lapra de Saint Romain, was called to God on Tuesday, March 4, 2025,” the statement, translated to English, read.

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No cause of death was given, though it’s understood Estelle had been previously diagnosed with cancer.

Born in 1979, Estelle married Carl Christian – the 47-year-old great-grandson of Emperor Charles I of Austria, King of Hungary and former ruler of other Habsburg states – in 2007.

In addition to her husband, she is survived by their five children: 17-year-old Zita, 15-year-old Anezka, 12-year-old Anna, 10-year-old Paola and four-year-old Pier-Georgia.

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Per Point De Vue, Belgium’s Princess Astrid, Luxembourg’s Princess Marie-Astrid, the Duke of Castro and Ferdinand of Habsburg attended Estelle’s funeral.

Brother Antonio Basso led the service, reportedly highlighting how every Sunday “Estelle and her family came to Mass at the monastery”.

Estelle was remembered for her ”loving wisdom” by the priest.

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Although Emperor Charles I was the last leader of the Austrian monarchy, which was abolished in 1918, his descendants have remained within the public eye.

When Estelle and Carl Christian married, after all, ”princes, archdukes and other distinguished guests had great difficulty making their way through the onlookers” gathered in the town square to spectate, per Point De Vue.

Three hundred guests attended Estelle and Christian’s nuptials, including Astrid, Liechtenstein’s Prince Gundakar, and Jean-Christophe, Prince Napoléon.

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Archduke Karl von Habsburg, Carl Christian’s cousin, is the current head of the Austrian Imperial House.

Carl Christian is the eldest son of Archduke Rodolphe de Habsbourg-Lorraine and his wife, Archduchess Marie-Hélène, née Baroness de Villenfagne de Vogelsanck.

He has five younger brothers and two sisters.

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