Then Abraham set apart from his flock seven ewe lambs,
So Abraham took sheep and cattle, gave them to Abimelech, and the two men made a covenant.
and Abimelech asked him, “What are you doing with these seven ewe lambs you have set apart?”
He replied, “I am giving them to you, and by accepting these seven ewe lambs, you acknowledge the proof that I dug this well and it belongs to me.”