John the Apostle
John 9:19BSB·traditional attribution

and asked, “Is this your son, the one you say was born blind? So how is it that he can now see?”

John Calvin Reformed @genevareformer

19. Is this your son? Not having succeeded in the former way, they now attempt another; but the Lord not only defeats their attempts in a wonderful manner, but turns them even to an opposite purpose. They do not merely put a single question, but cunningly put a multitude of questions involved in each other, with the view of preventing a reply.

Matthew Henry Presbyterian @wholebiblehenry

One would have expected that such a miracle as Christ wrought upon the blind man would have settled his reputation, and silenced and shamed all opposition, but it had the contrary effect; instead of being embraced as a prophet for it, he is prosecuted as a criminal. I.

Commenting on John 9:13-34

John Gill Reformed Baptist @doctorgill

And they asked them, saying, is this your son,.... The first question they put was, whether the man that stood before them, pointing to him, was their son or not; whether they knew him by any marks to be their son, and would own him as such: had they answered to this in the negative, they would have got an advantage against him, and would...