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
Witches' Sabbath to the witches' equivalent to the Christian day of rest; a more common term was "synagogue" or "synagogue of Satan" possibly reflecting anti-Jewish sentiment, although the acts attributed to witches bear little resemblance to the Sabbath in Christianity or Jewish Shabbat customs. The "Errores Gazariorum" ("Errors of the Cathars"), which mentions the Sabbat, while not discussing the actual behavior of the Cathars, is named after them, in an attempt to link these stories to an heretical Christian group. Christian missionaries' attitude to African cults was not much different in principle to their attitude to the Witches' Sabbath in Europe; some