Sentence:  And they asked them, saying, Is this your son, who ye say was born blind? how then doth he now see? His <WSD>parents</WSD> answered them and said, We know that this is our son, and that he was born blind ... 
Meaning of the word marked with <WSD> tags:  One of the two persons from whom one is immediately biologically descended; a mother or father. (from 15th c.)