Genesis 21:10
Therefore she said to Abraham, "Cast out this handmaid and her son! For the son of this handmaid will not be heir with my son, Isaac."
John 8:35
A bondservant doesn't live in the house forever. A son remains forever.
1 John 2:19
They went out from us, but they didn't belong to us; for if they had belonged to us, they would have continued with us. But they left, that they might be revealed that none of them belong to us.
Genesis 17:19
God said, "No, but Sarah, your wife, will bear you a son. You shall call his name Isaac. I will establish my covenant with him for an everlasting covenant for his seed after him.
Genesis 17:21
But my covenant I establish with Isaac, whom Sarah will bear to you at this set time next year."
Genesis 20:11
Abraham said, "Because I thought, 'Surely the fear of God is not in this place. They will kill me for my wife's sake.'
Genesis 22:10
Abraham stretched forth his hand, and took the knife to kill his son.
Genesis 25:6
but to the sons of Abraham's concubines, Abraham gave gifts. He sent them away from Isaac his son, while he yet lived, eastward, to the east country.
Genesis 25:19
This is the history of the generations of Isaac, Abraham's son. Abraham became the father of Isaac.
Genesis 36:6-7
Esau took his wives, his sons, his daughters, and all the members of his household, with his livestock, all his animals, and all his possessions, which he had gathered in the land of Canaan, and went into a land away from his brother Jacob.
Matthew 8:11-12
I tell you that many will come from the east and the west, and will sit down with Abraham, Isaac, and Jacob in the Kingdom of Heaven,
Matthew 22:13
Then the king said to the servants, 'Bind him hand and foot, take him away, and throw him into the outer darkness; there is where the weeping and grinding of teeth will be.'
Galatians 3:18
For if the inheritance is of the law, it is no more of promise; but God has granted it to Abraham by promise.
Galatians 4:7
So you are no longer a bondservant, but a son; and if a son, then an heir of God through Christ.
Galatians 4:22-31
For it is written that Abraham had two sons, one by the handmaid, and one by the free woman.
1 Peter 1:4
to an incorruptible and undefiled inheritance that doesn't fade away, reserved in Heaven for you,