 Nasi's aunt, Doña Gracia Mendes Nasi supported a "yeshiva" in the town for many years until her death in 1569.In 1567, a Yemenite scholar and Rabbi, Zechariah Dhahiri, visited Safed and wrote of his experiences in a book entitled "Sefer Ha-Musar".His vivid descriptions of the town Safed and of Rabbi Joseph Karo's "yeshiva" are of primary importance to historians, seeing that they are a first-hand account of these places, and the only extant account which describes the "yeshiva" of the great Sephardic Rabbi, Joseph Karo.