Romans 4:12
and the forefather of those circumcised persons who not only share his circumcision but follow our forefather Abraham's example in the faith he had before he was circumcised.
Matthew 3:9
Do not suppose that you can say to yourselves, 'We have Abraham for our forefather,' for I tell you God can produce descendants for Abraham right out of these stones!
Luke 16:23-31
And in Hades he looked up, tormented as he was, and saw Abraham far away, with Lazarus beside him.
John 8:39-40
They answered, "Our father is Abraham." Jesus said to them, "If you are Abraham's children, then do what Abraham did.
Romans 9:6-7
Not that God's message has failed. For not everybody who is descended from Israel really belongs to Israel,
2 Corinthians 12:18
I asked Titus to go and I sent his brother with him. Did Titus make anything out of you? Did not he and I act in the same spirit, and take the very same steps?
Galatians 4:22-31
For the Scripture says that Abraham had two sons, one by the slave-girl, and one by the free woman.
1 Peter 2:21
That is the life to which you have been called, for Christ himself suffered for you, leaving you an example so that you might follow his footsteps.