The names of the sons of Aharon are: Nadav the firstborn, Avihu, El‘azar and Itamar. These were the names of the sons of Aharon the cohen, whom he anointed and ordained as cohanim. But Nadav and Avihu died in the presence of Adonai when they offered unauthorized fire before Adonai in the Sinai Desert… Numbers 3:2-4 CJB.
*Cohen (Priest) Cohanim (Plural of Cohen).