Genesis 21:10

Therefore she said to Abraham, “Drive out this maid and her son, for the son of this maid shall not be an heir with my son Isaac.”

John 8:35

Now the slave does not remain in a household forever; the son [of the master] does remain forever.

1 John 2:19

They went out from us [seeming at first to be Christians], but they were not really of us [because they were not truly born again and spiritually transformed]; for if they had been of us, they would have remained with us; but they went out [teaching false doctrine], so that it would be clearly shown that none of them are of us.

Genesis 17:19

But God said, “No, Sarah your wife shall bear you a son indeed, and you shall name him Isaac (laughter); and I will establish My covenant with him for an everlasting covenant and with his descendants after him.

Genesis 17:21

But My covenant [My promise, My solemn pledge], I will establish with Isaac, whom Sarah will bear to you at this time next year.”

Genesis 20:11

Abraham said, “Because I thought, ‘Surely there is no fear or reverence of God in this place, and they will kill me because of my wife.’

Genesis 22:10

Abraham reached out his hand and took the knife to kill his son.

Genesis 25:6

but to the sons of his concubines [Hagar and Keturah], Abraham gave gifts while he was still living and he sent them to the east country, away from Isaac his son [of promise].

Genesis 25:19

Now these are the records of the descendants of Isaac, Abraham’s son: Abraham was the father of Isaac.

Genesis 36:6-7

Now Esau took his wives and his sons and his daughters and all the members of his household, and his livestock and all his cattle and all his possessions which he had acquired in the land of Canaan, and he went to a land away from his brother Jacob.

Matthew 8:11-12

I say to you that many [Gentiles] will come from east and west, and will sit down [to feast at the table, and enjoy God’s promises] with Abraham, Isaac, and Jacob in the kingdom of heaven [because they accepted Me as Savior],

Matthew 22:13

Then the king said to the attendants, ‘Tie him hand and foot, and throw him into the darkness outside; in that place there will be weeping [over sorrow and pain] and grinding of teeth [over distress and anger].’

Galatians 3:18

For if the inheritance [of what was promised] is based on [observing] the Law [as these false teachers claim], it is no longer based on a promise; however, God granted it to Abraham [as a gift] by virtue of His promise.

Galatians 4:7

Therefore you are no longer a slave (bond-servant), but a son; and if a son, then also an heir through [the gracious act of] God [through Christ].

Galatians 4:22-31

For it is written that Abraham had two sons, one by the slave woman [Hagar] and one by the free woman [Sarah].

1 Peter 1:4

[born anew] into an inheritance which is imperishable [beyond the reach of change] and undefiled and unfading, reserved in heaven for you,

Treasury of Scripture Knowledge

Summary

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.

General references

Bible References

Cast out

Leviticus 21:7
They shall not take [as a wife] a woman who is a prostitute, nor a woman who is divorced from her husband; for the priest is holy to his God.
Matthew 8:11
I say to you that many [Gentiles] will come from east and west, and will sit down [to feast at the table, and enjoy God’s promises] with Abraham, Isaac, and Jacob in the kingdom of heaven [because they accepted Me as Savior],
Matthew 22:13
Then the king said to the attendants, ‘Tie him hand and foot, and throw him into the darkness outside; in that place there will be weeping [over sorrow and pain] and grinding of teeth [over distress and anger].’
John 8:35
Now the slave does not remain in a household forever; the son [of the master] does remain forever.
Galatians 4:22
For it is written that Abraham had two sons, one by the slave woman [Hagar] and one by the free woman [Sarah].
1 John 2:19
They went out from us [seeming at first to be Christians], but they were not really of us [because they were not truly born again and spiritually transformed]; for if they had been of us, they would have remained with us; but they went out [teaching false doctrine], so that it would be clearly shown that none of them are of us.

Heir

John 8:35
Now the slave does not remain in a household forever; the son [of the master] does remain forever.
Galatians 3:18
For if the inheritance [of what was promised] is based on [observing] the Law [as these false teachers claim], it is no longer based on a promise; however, God granted it to Abraham [as a gift] by virtue of His promise.
Galatians 4:7
Therefore you are no longer a slave (bond-servant), but a son; and if a son, then also an heir through [the gracious act of] God [through Christ].
1 Peter 1:4
[born anew] into an inheritance which is imperishable [beyond the reach of change] and undefiled and unfading, reserved in heaven for you,
1 John 2:19
They went out from us [seeming at first to be Christians], but they were not really of us [because they were not truly born again and spiritually transformed]; for if they had been of us, they would have remained with us; but they went out [teaching false doctrine], so that it would be clearly shown that none of them are of us.

General references

Genesis 25:5
Now Abraham gave everything that he had to Isaac;
Proverbs 22:10

Drive out the scoffer, and contention will go away;
Even strife and dishonor will cease.