And Sarah saw the son of Hagar the Egyptian, which she had born unto Abraham, mocking. (21:9)

Wherefore she said unto Abraham, Cast out this bondwoman and her son: for the son of this bondwoman shall not be heir with my son, [even] with Isaac. (21:10)

And the thing was very grievous in Abraham's sight because of his son. (21:11)

And God said unto Abraham, Let it not be grievous in thy sight because of the lad, and because of thy bondwoman; in all that Sarah hath said unto thee, hearken unto her voice; for in Isaac shall thy seed be called. (21:12)

And also of the son of the bondwoman will I make a nation, because he [is] thy seed. (21:13)

And Abraham rose up early in the morning, and took bread, and a bottle of water, and gave [it] unto Hagar, putting [it] on her shoulder, and the child, and sent her away: and she departed, and wandered in the wilderness of Beersheba. (21:14)