'Though' in the Bible

He therefore answered, "I don't know if he is a sinner. One thing I do know: that though I was blind, now I see."

But if I do them, though you don't believe me, believe the works; that you may know and believe that the Father is in me, and I in the Father."

But though he had done so many signs before them, yet they didn't believe in him,

Simon Peter went up, and drew the net to land, full of great fish, one hundred fifty-three; and even though there were so many, the net wasn't torn.