Rules for dating a jewish girl
Second, the Tannaim may have been influenced by Roman law, which dictated that when a parent could not contract a legal marriage, offspring would follow the mother.
All Jewish religious movements agree that a person may be a Jew either by birth or through conversion.
Because rabbis in the other movements do not require that converts make this commitment, Orthodox authorities do not generally accept as valid conversions performed outside the Orthodox community.
Conservative authorities likewise require that conversions be conducted according to traditional Jewish law.
Because Jewish identity can include characteristics of an ethnicity, According to the simplest definition used by most Jews for self-identification, a person is a Jew by birth, or becomes one through religious conversion. Cohen, in the Bible, the status of the offspring of mixed marriages was determined patrilineally.Orthodox Judaism and Conservative Judaism follow the Halakha, deeming a person to be Jewish if their mother is Jewish, or they underwent a proper conversion.