María Cayetana de Silva, 13th Duchess of Alba the House of Osuna. The Duchess' relationship with famed Spanish painter Francisco Goya and her somewhat eccentric personality have contributed greatly to a continuing interest in her life during the two centuries since her death. Goya executed several well-known portraits of the duchess, most of them during his stay at Sanlúcar de Barrameda (one of the Andalusian country seats of the House of Medina-Sidonia), shortly after the death of her husband, the Duke of Alba, who was also Duke of Medina Sidonia, in 1796. Goya's accompaniment of the recently widowed Duchess combined with certain innuendo expressed in his portraits of
Sabbath in Christianity Sabbath commandment, referring it to eschatological rest rather than observance of a literal day. Such writing, however, did serve to deepen the idea of Christian rest on Sunday, and its practice increased in prominence throughout the early Middle Ages. Thomas Aquinas taught that the Decalogue is an expression of natural law which binds all men, and therefore the Sabbath commandment is a moral requirement along with the other nine. Thus in the west, Sunday rest became more closely associated with a Christian application of the Sabbath, a development towards the idea of a "Christian Sabbath" rather than a Hebrew one.