Abrahamic religions tradition claims that the Jews are descended from Abraham, and adherents of Judaism derive their spiritual identity from Abraham as the first of the three "fathers" or biblical Patriarchs: Abraham, Isaac, and Jacob. All the major Abrahamic religions claim a direct lineage to Abraham, although in Christianity this is understood in spiritual terms: Adam Dodds argues that the term "Abrahamic faiths", while helpful, can be considered misleading, as it conveys an unspecified historical and theological commonality that is problematic on closer examination. While there is commonality among the religions, in large measure their shared ancestry is peripheral to their respective
Christianity and Judaism view is also reflected by modern Judaism, in that Righteous gentiles needn't convert to Judaism and need to observe only the Noahide Laws, which also contain prohibitions against idolatry and fornication and blood. Some Christians agree that Jews who accept Jesus should still observe all of Torah, see for example Dual-covenant theology, based on warnings by Jesus to Jews not to use him as an excuse to disregard it, and they support efforts of those such as Messianic Jews (Messianic Judaism is considered by most Christians and Jews to be a form of Christianity) to do that, but some Protestant