Divrey Hayamim Alef 24:1-2

Orthodox Jewish Bible

24 Now these are the divisions of the Bnei Aharon; the Bnei Aharon; Nadav, and Avihu, Eleazar, and Itamar.

² But Nadav and Avihu died before avihem (their father), and had no banim; therefore Eleazar and Itamar became Kohanim.