Sephardic Jews in the Netherlands of Sephardic Jewry in Amsterdam, the Mahamad also closely controlled the process of re-judaization - that is helping those whose families had been secretly living as Jews while being outwardly Catholic return to a full Jewish life. In this process, several individuals rejected Rabbinic Judaism or advanced ideas outside of the norms of Judaism at that time and were disciplined by the Mahamad through the process of herem, which could be anything from denial of Torah honors to an outright ban on the individual. The most famous of those to receive a full ban herem was philosopher Baruch Spinoza, whose
Sephardic Bnei Anusim precludes the establishment of natural-born Jewishness. If the direct maternal lineage of a Sephardic Ben Anusim is not Jewish or cannot be proven to be Jewish (due to a lack of documentary evidence to that effect), it is irrelevant whether some or all other lineages of that Sephardic Ben Anusim are confirmed Jewish lineages (be it the direct paternal lineage, all other paternal lineages, or all other maternal lineages). Halakhically non-Jewish status, however, does not preclude Sephardic Bnei Anusim from being classed as Zera Yisrael, since they are otherwise of Jewish ancestry. On that basis, some individual Sephardic Bnei Anusim