Numbers 26:60-62

New International Version - UK

⁶⁰ Aaron was the father of Nadab and Abihu, Eleazar and Ithamar. ⁶¹ But Nadab and Abihu died when they made an offering before the Lord with unauthorised fire.)

⁶² All the male Levites a month old or more numbered 23,000. They were not counted along with the other Israelites because they received no inheritance among them.