Exodus 3:6

3:6 He added, “I am the God of your father, the God of Abraham, the God of Isaac, and the God of Jacob.” Then Moses hid his face, because he was afraid to look at God.

Exodus 3:15-16

3:15 God also said to Moses, “You must say this to the Israelites, ‘The Lord – the God of your fathers, the God of Abraham, the God of Isaac, and the God of Jacob – has sent me to you. This is my name forever, and this is my memorial from generation to generation.’

3:16 “Go and bring together the elders of Israel and tell them, ‘The Lord, the God of your fathers, appeared to me – the God of Abraham, Isaac, and Jacob – saying, “I have attended carefully to you and to what has been done to you in Egypt,

Exodus 4:5

4:5 “that they may believe that the Lord, the God of their fathers, the God of Abraham, the God of Isaac, and the God of Jacob, has appeared to you.”