Acts 7:8

Then God made with Abraham the Covenant of Circumcision; and under it Abraham became the father of Isaac, and circumcised him when he was eight days old; and Isaac became the father of Jacob; and Jacob of the Twelve Patriarchs.

Acts 2:29

Brothers, I can speak to you the more confidently about the Patriarch David, because he is dead and buried, and his tomb is here among us to this very day.

Matthew 1:2

Abraham was the father of Isaac, Isaac of Jacob, Jacob of Judah and his brothers,

John 7:22

But that is why Moses has instituted circumcision among you- -not, indeed, that it began with him, but with our ancestors--and that is why you circumcise even on a Sabbath.

Romans 4:10

Under what circumstances, then, did this take place? After his circumcision or before it?

Romans 9:9-13

For these words are the words of a promise-'About this time I will come, and Sarah shall have a son.'

Galatians 3:15

To take an illustration, Brothers, from daily life--No one sets aside even an agreement between two men, when once it has been confirmed, nor does he add conditions to it.

Galatians 3:17

My point is this--An agreement already confirmed by God cannot be canceled by the Law, which came four hundred and thirty years later, so as to cause the promise to be set aside.

Hebrews 7:4

Consider, then the importance of this Melchizedek, to whom even the Patriarch Abraham himself gave a tithe of the choicest spoils.

Treasury of Scripture Knowledge

Summary

And he gave him the covenant of circumcision: and so Abraham begat Isaac, and circumcised him the eighth day; and Isaac begat Jacob; and Jacob begat the twelve patriarchs.

Patriarchs

General references

Bible References

The covenant

John 7:22
But that is why Moses has instituted circumcision among you- -not, indeed, that it began with him, but with our ancestors--and that is why you circumcise even on a Sabbath.
Romans 4:10
Under what circumstances, then, did this take place? After his circumcision or before it?
Galatians 3:15
To take an illustration, Brothers, from daily life--No one sets aside even an agreement between two men, when once it has been confirmed, nor does he add conditions to it.

And isaac

Matthew 1:2
Abraham was the father of Isaac, Isaac of Jacob, Jacob of Judah and his brothers,
Romans 9:9
For these words are the words of a promise-'About this time I will come, and Sarah shall have a son.'

Patriarchs

Acts 2:29
Brothers, I can speak to you the more confidently about the Patriarch David, because he is dead and buried, and his tomb is here among us to this very day.
Hebrews 7:4
Consider, then the importance of this Melchizedek, to whom even the Patriarch Abraham himself gave a tithe of the choicest spoils.

General references

Luke 1:59
A week later they met to circumcise the child, and were about to call him 'Zechariah' after his father,