Château de Barzac is the ancestral home and wine estate of the Castelmont family, a place where private inheritance repeatedly collides with public catastrophe. First associated with the family’s destruction during the French Revolution, it returns as the setting for Charles de Castelmont’s grand celebration of the reunited twin cameos in 2019. The estate’s history links a family feud stretching across generations to the novel’s most spectacular disaster: a fire that destroys the château soon after the stones are brought together again.

Ancestral Seat and Family Inheritance

Château de Barzac is situated in southwestern France and is associated with the Castelmont family’s landed inheritance and its Pomerol wine. In Loïc’s later reconstruction of the family history, the château stands at the beginning of a chain of losses: the family’s destruction there in 1794 separates the surviving twins, while their descendants’ competing claims keep the estate’s history entangled with inheritance, identity, and the cameos.

The estate’s later fortunes are described through Charles de Castelmont’s family. Charles, the eldest son in a family of four children, inherited the vineyard from his father, who had died young. His father had restored the vineyard after the war and made Château Barzac a renowned Pomerol property. The family’s material standing therefore rests not only on old titles and land but on the successful cultivation of the estate. In the novel’s later timeline, its cultivated prosperity contrasts with the violent history that the family has kept out of view.

The château also becomes a focal point for the competing meanings of family evidence. In October 2016, Charles receives a registered letter from Mathieu D’Anjou proposing comparative DNA testing. Mathieu argues that his ancestor Élie D’Anjou, born in the United States in 1842 and adopted by a French-Canadian couple, was in fact a Castelmont. He encloses a Jesuit account, a baptismal record, and photographs of the cameo said to have been attached to the infant’s swaddling clothes. Charles is shaken by the documents, especially the photographs, which appear to show the genuine Camée Castor rather than the counterfeit he believed was in circulation. The letter brings the concealed past back to the château as a present dispute over descent.

The Revolution and the Divided Twins

The family’s earlier catastrophe is reconstructed by Loïc from scattered correspondence, memoirs, and other archival fragments. In this account, the château was attacked in 1794, and the revolutionaries killed the Castelmont father, the couple’s daughters, and a younger son. The twin boys, Louis de Castelmont and Charles de Castelmont, escaped with their mother, Delphine de Castelmont, who had taken them to Paris. Their flight saved them from the attack but did not preserve the family as a whole: the estate became the site of a massacre, while the survivors were scattered across Europe and America.

The twins’ separation is bound to the pair of cameos Delphine entrusted to them. The jewels had been given to her by Louis XVI in connection with the birth of her sons. Facing arrest, she gave one cameo to each boy and sewed them into their clothes, enjoining them not to part with the stones. Louis received Camée Castor and Charles received Camée Pollux. In Loïc’s reconstruction, these objects operate at once as family keepsakes and as dangerous tokens: depending on who possesses them, their royal associations could offer protection or invite suspicion.

Delphine herself was arrested and guillotined in Paris in May 1794, two months after the attack on the château. Her death left the boys to escape separately. Louis made his way through England to America and eventually established himself near Carthage, Missouri; Charles remained in Europe and later returned to France. Their divergent routes turned an already divided family into rival claimants to the same inheritance. Louis asserted a seniority based on having been born minutes before his twin, while Charles had regained the family property during the Bourbon Restoration and built political support. Their conflict made lineage a matter of documents, influence, and survival rather than a settled fact.

Loïc’s archival account further suggests that the feud crossed the Atlantic. He supposes that Charles, having located his brother in the United States, arranged the 1842 attack on Louis’s Missouri ranch with the aid of intermediaries and a band of Sioux. The account presents this as a hypothesis, not a verified conclusion: Loïc cannot establish whether the attackers had instructions to recover the missing cameo, and the escaped servant had taken the child and jewel with her. The suspected attack extended the family’s violence beyond Château de Barzac, while the château remained the original seat of the inheritance dispute.

The Estate in Charles’s Time

By the late twentieth century, Château de Barzac is both a working wine estate and the residence of Charles de Castelmont. Its Pomerol production gives Charles a public identity rooted in cultivation and inherited property, even as he privately becomes preoccupied with the family’s connection to Camée Castor. In 2016, the discovery that the alleged evidence may be genuine confronts him with a story he had considered finished. The château thus becomes a place where documents and objects unsettle the apparent security of inherited status.

Charles’s interest in recovering the cameo is also connected to his social network. At gatherings in Paris, he brings Château Barzac Pomerol as a gift to Jeff, an influential American he meets through Pierre de Mirbeau. Jeff offers to help with a difficult matter, and Charles later approaches him about the cameo. The connection leads to a theft: in April 2019, John Robbart enters the building where the stone is held, disables the alarm, takes the genuine cameo, and replaces it with a counterfeit Charles has supplied. Jeff arranges for the recovered stone to be delivered to Charles at the Ritz. For Charles, receiving it is a moment of triumph, but the recovery sets the stage for the estate’s final transformation from family seat to ruin.

The 2019 Celebration and Destruction

Charles plans a celebration at Château de Barzac to mark the reunion of Camée Castor and Camée Pollux. Held on July 7, 2019, the event also marks his fifty-ninth birthday. He selects the guests carefully, and the château’s grounds become a lavish stage: tables are set outdoors, servers wear eighteenth-century dress, and a sound-and-light show recounts the history of the estate. An orchestra and a jazz group perform in succession. The two cameos are displayed together beneath spotlights in a reinforced glass case, making the recovered objects the ceremony’s central exhibit.

The party’s spectacle turns into disaster before the night is over. A massive fire breaks out, with the cause left uncertain; the narrative raises the electrical equipment for the sound-and-light production as one possibility but does not establish it. The blaze is powerful enough to be seen and heard from miles away and reduces the château to ruins, leaving only parts of its stone walls. Charles and most of the seven other victims die in the fire.

Loïc and Laurence are staying at Château d’Albignac, not far from Barzac, when news reaches them the following morning. Loïc checks the reports online and sees images of the smoking ruins. A newspaper photograph of Charles displaying the two cameos prompts a further question: how had Charles obtained the stone that Mathieu had previously identified as a counterfeit? The fire makes the question urgent but does not answer it. The novel leaves uncertain whether either cameo survived beneath the collapsed château.

Ruin, Memory, and the Cameos

The destruction of Château de Barzac echoes the earlier destruction of the Castelmont family there, joining two distant catastrophes in one place. In 1794, the château’s attack scattered the family and began the twins’ separate histories; in 2019, the estate burns just after the cameos are reunited. The repeated pattern does not resolve the historical mystery. Instead, the ruined building becomes the latest material trace of a family past that has never been fully recovered or agreed upon.

Loïc considers whether the joined cameos could have released a force of destruction, comparing the fire with other unexplained phenomena associated with the stones. This remains his interpretation, not an established explanation of the blaze. He imagines the accumulated hatred between the rival brothers as if it had been stored in the cameos and returned with amplified force. In that reading, Château de Barzac is more than a setting for inherited conflict: it is the place where the family’s buried history, its objects, and its unresolved violence converge, leaving the estate itself lost and the fate of the reunited pair unknown.