Genesis 15:4
And then the word of the LORD came unto him, saying, This shall not be thy heir; but he that shall come forth out of thine own bowels shall be thy heir.
Genesis 17:16
And I will bless her and give thee a son also of her; yea, I will bless her, and she shall be a mother of Gentiles; kings of peoples shall be of her.
Genesis 21:12
Then 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 has said unto thee, hearken unto her voice; for in Isaac shall thy seed be called.
2 Samuel 7:12
And when thy days are fulfilled and thou shalt sleep with thy fathers, I will set up thy seed after thee, which shall proceed out of thy bowels, and I will establish his kingdom.
2 Samuel 16:11
And David said to Abishai, and to all his slaves, Behold, my son, who came forth of my bowels, seeks my life; how much more now a son of Jemini? Let him alone, and let him curse, for the LORD has bidden him.
2 Chronicles 32:21
And the LORD sent an angel who cut off all the mighty men of valour and the captains and the princes in the camp of the king of Assyria. So he returned with shame of face to his own land. And as he entered into the house of his god, those that had come forth of his own bowels slew him there with the sword.
Galatians 4:28
So that we, brethren, as Isaac was, are the children of promise.