And Abram said, Lord GOD, what wilt thou give me, seeing I go childless, and the steward of my house is this Eliezer of Damascus?

And Abram said, Behold, to me thou hast given no seed: and, lo, one born in my house is mine heir.

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.

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.

And Isaac intreated the LORD for his wife, because she was barren: and the LORD was intreated of him, and Rebekah his wife conceived.

And there was a certain man of Zorah, of the family of the Danites, whose name was Manoah; and his wife was barren, and bare not.

And they had no child, because that Elisabeth was barren, and they both were now well stricken in years.

And, behold, thy cousin Elisabeth, she hath also conceived a son in her old age: and this is the sixth month with her, who was called barren.

And he entreated Abram well for her sake: and he had sheep, and oxen, and he asses, and menservants, and maidservants, and she asses, and camels.

And Sarah saw the son of Hagar the Egyptian, which she had born unto Abraham, mocking.

And he dwelt in the wilderness of Paran: and his mother took him a wife out of the land of Egypt.

Which things are an allegory: for these are the two covenants; the one from the mount Sinai, which gendereth to bondage, which is Agar.