Genesis 26:24-28

And the Lord appeared to him the same night and said, “I am the God of your father Abraham; Do not fear, for I am with you. I will bless you and multiply your descendants, For the sake of My servant Abraham.”

So he built an altar there and called upon the name of the Lord, and pitched his tent there; and there Isaac’s servants dug a well. Covenant with Abimelech

Then Abimelech came to him from Gerar with his adviser Ahuzzath, and Phicol the commander of his army.

Isaac said to them, “Why have you come to me, since you hate me and have sent me away from you?”

They said, “We have seen plainly that the Lord has been with you; so we said, ‘An oath must now be taken by us,’ that is, by you and us. So let us make a covenant with you,