Exodus 3:1

3:1 Now Moses was shepherding the flock of his father-in-law Jethro, the priest of Midian, and he led the flock to the far side of the desert and came to the mountain of God, to Horeb.

Exodus 18:1

The Advice of Jethro

18:1 Jethro, the priest of Midian, Moses’ father-in-law, heard about all that God had done for Moses and for his people Israel, that the Lord had brought Israel out of Egypt.

Exodus 18:27

18:27 Then Moses sent his father-in-law on his way, and so Jethro went to his own land.