⁴ And Nadab and Abihu died before Jehovah when they offered strange fire before Jehovah in the wilderness of Sinai, and they had no sons; and Eleazar and Ithamar exercised the priesthood in the presence of Aaron their father.

¹⁸ And they set the priests in their classes, and the Levites in their divisions, for the service of God, which is at Jerusalem: as it is written in the book of Moses.