Moses' father-in-law Jethro, along with Moses' wife and sons, came to him in the desert, where he was encamped at the mountain of God.

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

Exodus 3:12
"I will surely be with you," God said, "and this will be the sign to you that I have sent you: When you have brought the people out of Egypt, all of you will worship God on this mountain."

Exodus 4:27
Meanwhile, the LORD had said to Aaron, "Go and meet Moses in the wilderness." So he went and met Moses at the mountain of God and kissed him.

Exodus 18:6
He sent word to Moses, "I, your father-in-law Jethro, am coming to you with your wife and her two sons."

Exodus 19:2
After they had set out from Rephidim, they entered the Wilderness of Sinai, and Israel camped there in front of the mountain.

Exodus 24:13
So Moses set out with Joshua his attendant and went up on the mountain of God.

And Jethro, Moses' father in law, came with his sons and his wife to Moses into the wilderness, where he encamped at the mount of God: