Numbers 3:4

3:4 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 ministered as priests in the presence of Aaron their father.

Numbers 4:16

4:16 “The appointed responsibility of Eleazar son of Aaron the priest is for the oil for the light, and the spiced incense, and the daily grain offering, and the anointing oil; he also has the appointed responsibility over all the tabernacle with all that is in it, over the sanctuary and over all its furnishings.”

Numbers 20:28

20:28 And Moses removed Aaron’s garments and put them on his son Eleazar. So Aaron died there on the top of the mountain. And Moses and Eleazar came down from the mountain.

Numbers 25:11

25:11 “Phinehas son of Eleazar, the son of Aaron the priest, has turned my anger away from the Israelites, when he manifested such zeal for my sake among them, so that I did not consume the Israelites in my zeal.

Numbers 27:21

27:21 And he will stand before Eleazar the priest, who will seek counsel for him before the Lord by the decision of the Urim. At his command they will go out, and at his command they will come in, he and all the Israelites with him, the whole community.”

Numbers 31:12

31:12 They brought the captives and the spoils and the plunder to Moses, to Eleazar the priest, and to the Israelite community, to the camp on the plains of Moab, along the Jordan River across from Jericho.