Jacob ben Aaron Sasportas (1610 – April 15, 1698), was a Rabbi, Kabbalist, and anti-Sabbatean. He was the father of . Sasportas was born at Oran. He became rabbi successively of Tlemcen (at the age of twenty-four), Marrakesh, Fes, and Salé. In about 1646 he was imprisoned by the Moorish king, but succeeded in escaping with his family to Amsterdam (ca. 1653). He stayed there till the disorders in Africa ceased, when he was called back by the King of Morocco and sent on a special mission to the Spanish court (ca. 1659) to ask for aid against the rebels. On his return he was invited to the rabbinate of the Portuguese community of London (1664). According to David Franco Mendes (in Ha-Meassef, 1788, p. 169), Jacob had accompanied Menasseh ben Israel to London in 1655. Owing to the outbreak of