But Nadab and Abihu died in the presence of the Lord when they offered strange (unholy, unacceptable, inappropriate) fire before the Lord in the Wilderness of Sinai; and they had no sons. So Eleazar and Ithamar served as priests in the presence and under the supervision of Aaron their father.

Aaron and his sons shall direct all the service of the sons of the Gershonites, all they have to carry and all they have to do. You shall assign to them as a duty all that they are to carry [on the march].

This is the service of the families of the sons of Gershon in the Tent of Meeting (tabernacle); and their duties shall be under the direction of Ithamar the son of Aaron, the [high] priest.

This is the work of the families of the sons of Merari, according to all their tasks in the Tent of Meeting (tabernacle), under the direction of Ithamar the son of Aaron, the priest.”

The Nazirite shall shave his dedicated head at the doorway of the Tent of Meeting (tabernacle), and take the dedicated hair of his head and put it on the fire which is under the sacrifice of the peace offerings.

and he gave four carts and eight oxen to the sons of Merari, according to their service [in transporting the tabernacle], under the supervision of Ithamar the son of Aaron, the [high] priest.

As soon as Moses finished speaking all these words, the ground under them split open;

When the donkey saw the Angel of the Lord, she lay down under Balaam, so Balaam was angry and he struck the donkey [a third time] with his staff.

and they said to him, “Your servants have counted the warriors under our command, and not one man of us is missing.

These are the stages of the journeys of the Israelites, by which they came out of the land of Egypt by their [tribal] armies, under the leadership of Moses and Aaron.