Aaron married Elisheba, the daughter of Amminadab and the sister of Nahshon, and she gave birth to Nadab, Abihu, Eleazar, and Ithamar.

Then God said to Moses, “Come up to the Lord, you and Aaron, Nadab and Abihu (Aaron’s older sons), and seventy of Israel’s elders, and you shall worship at a [safe] distance.

Then Moses, Aaron, Nadab, and Abihu, and seventy of the elders of Israel went up [the mountainside],

“Now bring your brother Aaron near, and his sons with him from among the sons of Israel, so that he may serve as priest to Me—Aaron, Nadab and Abihu, Eleazar and Ithamar, Aaron’s sons.