Then one who had escaped came, and told Abram the Hebrew, who was living by the oaks of Mamre the Amorite, brother of Eshcol and of Aner; these were allies of Abram.
now therefore swear to me here by God that you will not deal falsely with me or with my offspring or with my posterity, but as I have dealt loyally with you, you will deal with me and with the land where you have sojourned.”