And Abraham set seven ewe lambs of the flock by themselves. Seven ewe lambs - These were either given as a present, or they were intended as the price of the well; and being accepted by Abimelech, they served as a witness that he had acknowledged Abraham's right to the well in question.
Related Commentaries of Genesis 21:28
Genesis 21:28
28 And Abraham set seven ewe lambs of the flock by themselves.