Genesis:15:8-11
kjv@Genesis:15:8 @ And he said, Lord GOD, whereby shall I know that I shall inherit it?
kjv@Genesis:15:9 @ And he said unto him, Take me an heifer of three years old, and a she goat of three years old, and a ram of three years old, and a turtledove, and a young pigeon.
kjv@Genesis:15:10 @ And he took unto him all these, and divided them in the midst, and laid each piece one against another: but the birds divided he not.
kjv@Genesis:15:11 @ And when the fowls came down upon the carcases, Abram drove them away.