His own demand opened the first crack.
At Astor and Rowe, Vail recognized an early mark used by his great-grandfather. The firm's oldest ledgers survived in a fireproof cellar, their pages recording commissions, alterations, payments, and private instructions. Vail delayed his report, compared every clasp and stone setting, then summoned Dorian personally.
Dorian arrived expecting an ownership certificate. Instead, he found the collection spread across black velvet beneath bright examination lamps. Vail lifted the necklace, turned its clasp over, and studied the tiny mark hidden beneath it.
"Your Grace, who told you these jewels belong to the Vossard family?"
"They have belonged to us for generations."
Vail looked at him strangely. "No, Your Grace. We made them."
"For my family."
"No."
The single word landed harder than an accusation. Dorian stared at the necklace he had ordered Ameline to remove. Vail then opened a leather ledger dated 136 years earlier.
The entry described the entire collection, including forty-two sapphires acquired through a southern trader, and diamonds reset from two old imperial tiaras. Beside the description stood the purchaser's name:
Marietta Eloise Lassalle.
Dorian stared. Lassalle was Ameline's maiden name.
"There must be another explanation," he said. "Perhaps this woman commissioned the pieces and later sold them to a Vossard."
"That is possible," Vail replied. "Records establish the commissioner, not every later transfer. But this marginal instruction is unusual."
Written beside the final payment was a direction that no Vossard crest be engraved upon the pieces. The interior cases had originally carried the initials M. E. L.
Dorian insisted that a century of portraits outweighed an old invoice. Vail answered that portraits proved use, not ownership. He advised an archival investigation before issuing any certificate.
Dorian returned to Grayhaven furious. He searched the muniment room with Marcella and the family steward. Inventories repeatedly mentioned the ducal sapphire collection. Portrait accounts recorded duchesses wearing it. Letters discussed repairs and ceremonial arrangements. Yet there was no purchase receipt, deed of gift, inheritance schedule, bill of sale, or settlement transferring the jewels to a Vossard.
When Ameline learned what Vail had found, she was as startled as anyone.
"Did your mother ever mention Marietta?" Dorian demanded.
"Only as a formidable ancestor who built vineyards after her husband died. I was never told she owned sapphires."
He studied her face, searching for triumph or deception. He found curiosity and a cooler hurt.
"You think I arranged this?" she said.
"I do not know what to think."
"Then continue looking. It was your search."
Because the anniversary program included a public exhibition of supposed Vossard treasures, cancellation would invite questions. Dorian traveled to the Veramont registry of noble estates, where Dr. Eliane Merrow received him in a narrow office crowded with indexed volumes. Merrow was quiet, methodical, and unimpressed by impatience.
He began with Marietta's probate records. She had been among Western Veramont's wealthiest merchant widows, controlling ships, warehouses, vineyards, and foreign accounts. Her only daughter, Celestine Lassalle, married Lucian Vossard, the indebted younger son of a duke. Marietta paid certain debts but refused to surrender her daughter's personal fortune into Vossard control.
Three days of searching uncovered a trust declaration lodged separately from the marriage settlement. Its faded pages described the sapphire collection piece by piece. The jewels were commissioned for Celestine's use, then secured within a maternal family trust. Celestine and her direct female descendants could wear them. If one married into another house, possession followed her. If no eligible woman occupied the relevant household, the collection could remain in safekeeping where the nearest female descendant might later claim it. Husbands could neither sell nor pledge the pieces. Ownership could not pass through the male line.
"Then Celestine owned them," Dorian said.
"The maternal trust did," Merrow corrected. "She possessed and wore them under its terms."
"She lived at Grayhaven. Her descendants remained Vossards."
"Some did. We must establish which female line survived."
Dorian still believed the answer would favor him. He ordered Merrow to complete the genealogy and returned home. There, the portraits suddenly seemed less like evidence and more like witnesses who had withheld their names.
He confronted Marcella in the long gallery. At first, she dismissed the trust as an antiquarian complication. Then Dorian repeated its prohibition against sale or alteration, and color left her face.
"What do you know?" he asked.
Marcella sat beneath a portrait of her own grandmother wearing the sapphire brooch. "Not enough. My grandmother guarded the collection obsessively. Once, when your father considered using the necklace as security for a loan, she threatened to expose him before the trustees."
"Which trustees?"
"She never said. I believed it was family melodrama." Marcella looked toward the painted sapphires. "She repeated one sentence whenever the jewels were brought out: 'We wear them. We do not own them.'"
The words struck Dorian with the force of judgment: "We wear them. We do not own them." Yet four nights earlier, he had declared that every stone on Ameline's body belonged to his house.
Merrow returned with a genealogical chart that removed the last refuge of doubt. Celestine's eldest daughter, Eloise, had married outside the Vossard family. Her descendants passed through several surnames until one branch restored the Lassalle name after inheriting Marietta's commercial holdings. That branch led to Ameline's maternal grandmother, then her mother, then Ameline. Other female descendants had died without daughters.
Ameline was the senior surviving direct female descendant of Marietta Eloise Lassalle.