1 Chronicles 1:28
Sons of Abraham: Isaac and Ishmael.
Genesis 16:11-16
and the messenger of Jehovah saith to her, 'Behold thou art conceiving, and bearing a son, and hast called his name Ishmael, for Jehovah hath hearkened unto thine affliction;
Genesis 17:19-21
and God saith, 'Sarah thy wife is certainly bearing a son to thee, and thou hast called his name Isaac, and I have established My covenant with him, for a covenant age-during, to his seed after him.
Genesis 21:2-5
and Sarah conceiveth, and beareth a son to Abraham, to his old age, at the appointed time that God hath spoken of with him;
Genesis 21:9-10
and Sarah seeth the son of Hagar the Egyptian, whom she hath borne to Abraham, mocking,
Genesis 21:12
and God saith unto Abraham, 'Let it not be wrong in thine eyes because of the youth, and because of thy handmaid: all that Sarah saith unto thee -- hearken to her voice, for in Isaac is a seed called to thee.