Genesis 15:8-11

15:8 But Abram said, “O sovereign Lord, by what can I know that I am to possess it?”

15:9 The Lord said to him, “Take for me a heifer, a goat, and a ram, each three years old, along with a dove and a young pigeon.” 15:10 So Abram took all these for him and then cut them in two and placed each half opposite the other, but he did not cut the birds in half. 15:11 When birds of prey came down on the carcasses, Abram drove them away.

Genesis 15:17-18

15:17 When the sun had gone down and it was dark, a smoking firepot with a flaming torch passed between the animal parts. 15:18 That day the Lord made a covenant with Abram: “To your descendants I give this land, from the river of Egypt to the great river, the Euphrates River –