Galatians 4:22
where it is written, that Abraham had two sons, one by a servant, and one by a free-woman?
Hebrews 11:11
By faith also Sarah received strength to conceive seed, and brought forth a son when she was past age, because she accounted Him faithful who had promised.
Acts 7:8
And He gave him the covenant of circumcision: and he begat Isaac, and circumcised him on the eighth day; and Isaac Jacob, and Jacob the twelve patriarchs.
Luke 1:24-25
And after these days his wife Elisabeth conceived, and retired five months,
Luke 1:36
thy cousin Elisabeth also hath conceived a son in her old age, and this is the sixth month with her that was called barren;
Romans 9:9
For this is the word of the promise, "According to this time will I come, and Sarah shall have a son:"