Numbers 4:33

Aaron : a son of Amram; brother of Moses,son of Amram (Kohath Levi); patriarch of Israel's priests,the clan or priestly line founded by Aaron

Ithamar : son of Aaron

Merari : the clan of Merari of the tribe of Levi

Numbers 7:5

Levites : relating to Levi and the priesthood given to him,a tribal name describing people and ceremonies as sacred

Numbers 18:21

Israel : a citizen of Israel.,a member of the nation of Israel

Levi : members of the tribe of Levi

Levites : relating to Levi and the priesthood given to him,a tribal name describing people and ceremonies as sacred