Beau Sancy Its larger sibling diamond, the Grand Sancy, was sold to James I of England for his Queen, Henrietta Maria. The Beau Sancy was acquired by the Queen of France, Marie de Medicis. From Marie de Medicis, it passed to the Dutch King William, later William III of England, and his wife Queen Mary II. In 1701 it passed from the Dutch royal family to Frederick I of Prussia. Beau Sancy The Beau Sancy is a modified "pear double rose cut" diamond found in India that has been owned by a number of European royal houses. In May 2012, it was
Beau-Séjour Palace Pinheiro—by his heirs. In the 1930s, following the death of D. Maria da Glória Leite, "Beau-Séjour" passed into the hands of her goddaughter and her husband (Augusto Fernandes de Almeida). Ultimately, most of the contents were sold at auction, along with the estate, which came into the possession of the Marist Brothers, who established a college in the "palácio". This was a short-lived venture, after which the municipal council of Lisbon eventually acquired the estate in the 1980s. There were alterations to the interior of the house, conforming to the change in the function of the building: there was a