Sancy robbery and murder was found. When the body was disinterred, the jewel was found in the faithful man's stomach. De Sancy later sold the diamond to James I (successor of Queen Elizabeth) about 1605 when it is thought the Sancy acquired its name. It was described in the Tower of London's 1605 Inventory of Jewels as "...one fayre dyamonde, cut in fawcetts, bought of Sauncy." James had it set into the Mirror of Great Britain. The Sancy was briefly possessed by the unfortunate Charles I (King of England, Scotland and Ireland) and then by his third son James II. Beleaguered
Achille Harlay de Sancy Charles I of England, Harlay de Sancy was attached to the queen's ecclesiastical household, but the king secured his dismissal. Harlay named the Bishop of Saint-Malo in 1631, for which he was consecrated in January 1632. He served in this post until his resignation on 20 November 1646. He died six days later. Achille Harlay de Sancy Achille de Harlay de Sancy, Cong. Orat. (1581, Paris26 November 1646), the son of Nicolas de Harlay, seigneur de Sancy, was a French diplomat and intellectual who was noted as a linguist and orientalist. He entered Church service, becoming the Bishop of Saint-Malo.