Romans 4:11-18

And he received the sign of circumcision, a seal of the righteousness of the faith, which he had in uncircumcision, that he might be the father of all who believe in uncircumcision, that righteousness may be imputed to them also,

Galatians 3:28-29

There is neither Jew nor Greek, there is neither bond nor free, there is neither male nor female; for ye are all one in Christ Jesus.

Treasury of Scripture Knowledge

Summary

As for me, behold, my covenant is with thee, and thou shalt be a father of many nations.

Bible References

A father

Romans 4:11
And he received the sign of circumcision, a seal of the righteousness of the faith, which he had in uncircumcision, that he might be the father of all who believe in uncircumcision, that righteousness may be imputed to them also,
Galatians 3:28
There is neither Jew nor Greek, there is neither bond nor free, there is neither male nor female; for ye are all one in Christ Jesus.