Galatians 4:22
For it is written, that Abraham had two sons; one by a bondmaid, and one by a free woman.
Hebrews 11:11
By faith also Sarah herself received strength for the conception of seed, and brought forth a child when past the time of life, because she counted him faithful who had promised.
Acts 7:8
And he gave him the covenant of circumcision, and thus he begot Isaac, and circumcised him the eighth day; and Isaac begot Jacob, and Jacob begot the twelve patriarchs.
Luke 1:24-25
And after those days, his wife Elizabeth conceived, and kept herself retired for five months, saying:
Luke 1:36
And behold, Elizabeth your kinswoman, even she has conceived a son in her old age; and this is the sixth month with her who is called barren;
Romans 9:9
For the word of the promise is this: At this time will I come, and Sarah shall have a son.