Levi. Levi was, according to the Book of Genesis, the third son of Jacob and Leah, and the founder of the Israelite Tribe of Levi and the grandfather of Aaron and Moses.
   Certain religious and political functions were reserved for the Levites. The Torah suggests that the name Levi refers to Leah's hope for Jacob to join with her, implying a derivation from yillaweh, meaning he will join, but scholars suspect that it may simply mean priest, either as a loan word from the Minaean lawi'u, meaning priest, or by referring to those people who were joined to the ark of the covenant.
   Another possibility is that the Levites originated as migrants, and that the name Levites indicates their joining with either the Israelites in general, or the earlier Israelite priesthood in particular.In the Book of it says that Levi was born in the new moon of the first month, which means that he was born on 1 Nissan. In the Book of Genesis, Levi and his brother, Simeon, exterminate the city of Shechem in revenge for the rape of Dinah, seizing the wealth of the city and killing the men.
   The brothers had earlier misled the inhabitants by consenting to Dinah's rapist marrying her, and when Jacob hears about their destruction of Shechem, he castigates them for it. In the Blessing of Jacob, Jacob is described as imposing a curse on the Levites, by which they would be scattered, in punishment for Levi's actions in
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