Archduchess Estelle of Austria has died of undisclosed causes at the age of 46. The death was announced in an obituary in the daily newspaper Le Figaro where it said: "Her husband, Archduke Carl Christian, her children, her parents and her parents-in-law announce with deep sadness that Archduchess Estelle of Austria, née Lapra de Saint Romain, has been called by God this Tuesday, March 4, 2025." The noblewoman was married to the great-grandson of the last Emperor of Austria, Charles I, with whom she had five children, all of them minors: Zita (17 years old), Anezka (15), Anna (13), Paola (19) and Pier Giorgo (5).