Luke
Luke 1:7ESV·traditional attribution

But they had no child, because Elizabeth was barren, and both were advanced in years.

John Calvin Reformed @genevareformer

7. And they had no child By an extraordinary purpose of God it was appointed that John should be born out of the common and ordinary course of nature. The same thing happened with Isaac, (Genesis 17:17; Genesis 21:1-3,) in whom God had determined to give an uncommon and remarkable demonstration of his favor.

Matthew Henry Presbyterian @wholebiblehenry

The two preceding evangelists had agreed to begin the gospel with the baptism of John and his ministry, which commenced about six months before our Saviour's public ministry (and now, things being near a crisis, six months was a deal of time, which before was but a little), and therefore this evangelist, designing to give a more particular account than had been given of our...

Commenting on Luke 1:5-25

John Gill Reformed Baptist @doctorgill

And they had no child,.... Son or daughter: and which was accounted a great infelicity: but this was not owing to the judgment of God upon them for any sins they had been guilty of, as the above character of them shows: and it had been the case of some righteous pairs before them for a great while, as Abraham and Sarah, Manoah, and his...