Saul Serero (1566–1655) was descended from Jews expelled from Spain who settled in Fez. He served as rabbi in that city in the first half of the seventeenth century. During the first decade of his career, Morocco was in the throes of a fierce civil war between the heirs of Sultan Aḥmad al-Manṣūr. The war brought considerable suffering to the Jews of Fez, as it did to everyone else in the country. Serero and several of his colleagues were signatories on a number of regulations instituted by desce…