Then Abraham fell on his face and laughed, and said in his heart, “Shall a child be born to a man who is a hundred years old? And shall Sarah, who is ninety years old, bear a child?”
Isaac prayed to the Lord for his wife, because she was unable to conceive children; and the Lord granted his prayer and Rebekah his wife conceived [twins].
In the days of Herod [the Great], king of Judea, there was a certain priest whose name was Zacharias, of the division of Abijah. His wife was a descendant of Aaron [the first high priest of Israel], and her name was Elizabeth.
Without becoming weak in faith he considered his own body, now as good as dead [for producing children] since he was about a hundred years old, and [he considered] the deadness of Sarah’s womb. [Gen 17:17; 18:11]
By faith even Sarah herself received the ability to conceive [a child], even [when she was long] past the normal age for it, because she considered Him who had given her the promise to be reliable and true [to His word]. [Gen 17:19; 18:11-14; 21:2]