Numbers 3:36-37

Merari : the clan of Merari of the tribe of Levi

Numbers 7:8-9

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

Kohath : son of Levi; founder of the clan of Kohath,the clan of Kohath

Merari : the clan of Merari of the tribe of Levi