And Jethro, the priest of Midian, the father-in-law of Moses, heard all that God had done for Moses and for Israel, his people, that Yahweh had brought Israel out from Egypt.
References for Exodus 18:1
And Jethro, the father-in-law of Moses, took Zipporah the wife of Moses after her sending away,
and her two sons--the one whose name [was] Gershom, for he had said, "I have been an alien in a foreign land,"
and the one [whose] name [was] Eliezer, for "the God of my father [was] my help, and he delivered me from the sword of Pharaoh."
And Jethro, the father-in-law of Moses, came and his sons and his wife to Moses, to the desert where he was camping there [at] the mountain of God.
And he said to Moses, "I, your father-in-law Jethro, [am] coming to you and your wife and her two sons with her."