Romans 4:11-18

And he received the outward sign of circumcision as a seal of the righteousness of the faith which he had while he was uncircumcised; that he might be the father of all the uncircumcised who have faith, so that righteousness might be put to their account also;

Galatians 3:28-29

There is neither Jew nor Greek, there is neither bond nor free, there is no male and 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 outward sign of circumcision as a seal of the righteousness of the faith which he had while he was uncircumcised; that he might be the father of all the uncircumcised who have faith, so that righteousness might be put to their account also;
Galatians 3:28
There is neither Jew nor Greek, there is neither bond nor free, there is no male and female; for ye are all one in Christ Jesus;