Exodus 2:22

2:22 When she bore a son, Moses named him Gershom, for he said, “I have become a resident foreigner in a foreign land.”

Exodus 4:20

4:20 Then Moses took his wife and sons and put them on a donkey and headed back to the land of Egypt, and Moses took the staff of God in his hand.

Exodus 18:3-4

18:3 and her two sons, one of whom was named Gershom (for Moses had said, “I have been a foreigner in a foreign land”), 18:4 and the other Eliezer (for Moses had said, “The God of my father has been my help and delivered me from the sword of Pharaoh”).