Leviticus 10:1 English Standard Version Anglicised (ESVUK)
The Death of Nadab and Abihu
10 Now Nadab and Abihu, the sons of Aaron, each took his censer and put fire in it and laid incense on it and offered unauthorized[a] fire before the Lord, which he had not commanded them.
Leviticus 10:6 English Standard Version Anglicised (ESVUK)
6 And Moses said to Aaron and to Eleazar and Ithamar his sons, “Do not let the hair of your heads hang loose, and do not tear your clothes, lest you die, and wrath come upon all the congregation; but let your brothers, the whole house of Israel, bewail the burning that the Lord has kindled.