John 9:18-20

¹⁸The Jews therefore did not believe concerning him, that he had been blind, and had received his sight, until they called the parents of him that had received his sight,

¹⁹and asked them, saying, Is this your son, who ye say was born blind? how then doth he now see?

²⁰His parents answered and said, We know that this is our son, and that he was born blind: