Numbers 26:57-62

57These were the Levites registered by their clans: the Gershonite clan from Gershon; the Kohathite clan from Kohath; the Merarite clan from Merari.

58These were the Levite family groups: the Libnite clan, the Hebronite clan, the Mahlite clan, the Mushite clan, and the Korahite clan. Kohath was the ancestor of Amram.

59The name of Amram’s wife was Jochebed, a descendant of Levi, born to Levi in Egypt. She bore to Amram: Aaron, Moses, and their sister Miriam.

60Nadab, Abihu, Eleazar, and Ithamar were born to Aaron,

61but Nadab and Abihu died when they presented unauthorized fire before the Lord.

62Those registered were 23,000, every male one month old or more; they were not registered among the other Israelites, because no inheritance was given to them among the Israelites.