Romans 9:5-6

9:5 To them belong the patriarchs, and from them, by human descent, came the Christ, who is God over all, blessed forever! Amen.

9:6 It is not as though the word of God had failed. For not all those who are descended from Israel are truly Israel,

Romans 9:9

9:9 For this is what the promise declared: “About a year from now I will return and Sarah will have a son.”