Roma 4:12

4:12 And he is also the father of the circumcised, ¹  who are not only circumcised, but who also walk in the footsteps of the faith that our father Abraham possessed when he was still uncircumcised. ² 

Roma 4:16

4:16 For this reason it is by faith so that it may be by grace, ³  with the result that the promise may be certain to all the descendants – not only to those who are under the law, but also to those who have the faith of Abraham, ⁴  who is the father of us all

[4:12]  ¹ tn Grk “the father of circumcision.”

[4:12]  ² tn Grk “the ‘in-uncircumcision faith’ of our father Abraham.”

[4:16]  ³ tn Grk “that it might be according to grace.”

[4:16]  ⁴ tn Grk “those who are of the faith of Abraham.”