Exodus 6:7

6:7 I will take you to myself for a people, and I will be your God. Then you will know that I am the Lord your God, who brought you out from your enslavement to the Egyptians.

Exodus 8:28

8:28 Pharaoh said, “I will release you so that you may sacrifice to the Lord your God in the desert. Only you must not go very far. Do pray for me.”

Exodus 10:8

10:8 So Moses and Aaron were brought back to Pharaoh, and he said to them, “Go, serve the Lord your God. Exactly who is going with you?”

Exodus 10:17

10:17 So now, forgive my sin this time only, and pray to the Lord your God that he would only take this death away from me.”