TSK · Numbers 3:2

And Aaron took him Elisheba, the daughter of Amminadab, the sister of Nahshon, to wife; and she bare him Nadab and Abihu, Eleazar and Ithamar.

And unto Aaron were born Nadab and Abihu, Eleazar and Ithamar.

And the courses of the sons of Aaron [were these] . The sons of Aaron: Nadab and Abihu, Eleazar and Ithamar.