The Jews still refused to believe that he had been blind and received his sight, until they summoned the parents of the man who now saw
In context
16Some of the Pharisees said, “This man is not from God, because he does not keep the Sabbath.” But others asked, “How can a sinner do signs like these?” And they were divided. 17So they turned to the blind man again: “What do you say about him? It was your eyes he opened.” He said, “He is a prophet.” 18The Jews still refused to believe that he had been blind and received his sight, until they summoned the parents of the man who now saw 19and asked them, “Is this your son, the one you say was born blind? Then how is it that he now sees?” 20His parents answered, “We know that this is our son, and that he was born blind.