At the time of the expulsion of 1492, Sephardi Jewry comprised the vast majority of world Jewry, totaling about 400,000 people. Their descendants are alive and well today, where they live in considerable numbers across Spain, Portugal, Italy and in large concentrations in what was then hailed as the New World. The advent of accessible and affordable genetic testing has buttressed their claims of Jewish ancestry.
View the original article here: The Genetic Legacy of Jewish Catholics