Exodus 18:6

Jethro : priest of Midian; father-in-law of Moses

Moses : a son of Amram; the Levite who led Israel out of Egypt and gave them The Law of Moses,a Levite who led Israel out of Egypt and gave them the law

Exodus 18:3

Gershom : the clan of Gershom/Gershon of the tribe of Levi