Luke 24:16

But their eyes were blinded so that they could not recognize him.

John 20:14

After saying this, she turned round, and looked at Jesus standing there, but she did not know that it was Jesus.

John 21:4

Just as day was breaking, Jesus came and stood on the beach; but the disciples did not know that it was he.

Treasury of Scripture Knowledge

Summary

And Joseph knew his brethren, but they knew not him.

Bible References

But they knew

Luke 24:16
But their eyes were blinded so that they could not recognize him.
John 20:14
After saying this, she turned round, and looked at Jesus standing there, but she did not know that it was Jesus.
John 21:4
Just as day was breaking, Jesus came and stood on the beach; but the disciples did not know that it was he.