KJV: And take thou unto thee Aaron thy brother, and his sons with him, from among the children of Israel, that he may minister unto me in the priest's office, even Aaron, Nadab and Abihu, Eleazar and Ithamar, Aaron's sons.
NASB: "Then bring near to yourself Aaron your brother, and his sons with him, from among the sons of Israel, to minister as priest to Me-- Aaron, Nadab and Abihu, Eleazar and Ithamar, Aaron's sons.
KJV: This is the sum of the tabernacle, even of the tabernacle of testimony, as it was counted, according to the commandment of Moses, for the service of the Levites, by the hand of Ithamar, son to Aaron the priest.
NASB: This is the number of the things for the tabernacle, the tabernacle of the testimony, as they were numbered according to the command of Moses, for the service of the Levites, by the hand of Ithamar the son of Aaron the priest.
KJV: And Moses said unto Aaron, and unto Eleazar and unto Ithamar, his sons, Uncover not your heads, neither rend your clothes; lest ye die, and lest wrath come upon all the people: but let your brethren, the whole house of Israel, bewail the burning which the LORD hath kindled.
NASB: Then Moses said to Aaron and to his sons Eleazar and Ithamar, "Do not uncover your heads nor tear your clothes, so that you will not die and that He will not become wrathful against all the congregation. But your kinsmen, the whole house of Israel, shall bewail the burning which the LORD has brought about.
KJV: And Moses spake unto Aaron, and unto Eleazar and unto Ithamar, his sons that were left, Take the meat offering that remaineth of the offerings of the LORD made by fire, and eat it without leaven beside the altar: for it is most holy:
NASB: Then Moses spoke to Aaron, and to his surviving sons, Eleazar and Ithamar, "Take the grain offering that is left over from the LORD'S offerings by fire and eat it unleavened beside the altar, for it is most holy.
KJV: And Moses diligently sought the goat of the sin offering, and, behold, it was burnt: and he was angry with Eleazar and Ithamar, the sons of Aaron which were left alive, saying,
NASB: But Moses searched carefully for the goat of the sin offering, and behold, it had been burned up! So he was angry with Aaron's surviving sons Eleazar and Ithamar, saying,
KJV: And Nadab and Abihu died before the LORD, when they offered strange fire before the LORD, in the wilderness of Sinai, and they had no children: and Eleazar and Ithamar ministered in the priest's office in the sight of Aaron their father.
NASB: But Nadab and Abihu died before the LORD when they offered strange fire before the LORD in the wilderness of Sinai; and they had no children. So Eleazar and Ithamar served as priests in the lifetime of their father Aaron.
KJV: This is the service of the families of the sons of Gershon in the tabernacle of the congregation: and their charge shall be under the hand of Ithamar the son of Aaron the priest.
NASB: "This is the service of the families of the sons of the Gershonites in the tent of meeting, and their duties shall be under the direction of Ithamar the son of Aaron the priest.
KJV: This is the service of the families of the sons of Merari, according to all their service, in the tabernacle of the congregation, under the hand of Ithamar the son of Aaron the priest.
NASB: "This is the service of the families of the sons of Merari, according to all their service in the tent of meeting, under the direction of Ithamar the son of Aaron the priest."