61 And Nadab and Abihu died, when they presented strange fire before Jehovah.
Numbers 26:61 Cross References - Darby
Leviticus 10:1-2
Numbers 3:4
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.