Numbers 26:59-61

American Standard Version

⁵⁹ And the name of Amram’s wife was Jochebed, the daughter of Levi, who was born to Levi in Egypt: and she bare unto Amram Aaron and Moses, and Miriam their sister. ⁶⁰ And unto Aaron were born Nadab and Abihu, Eleazar and Ithamar. ⁶¹ And Nadab and Abihu died, when they offered strange fire before Jehovah.