Luke 24:16

but their eyes were holden that they should not recognize Him.

John 20:14

Having said these things, she turned back, and beholds Jesus standing, and knew not that it was Jesus.

John 21:4

But, morning now coming on, Jesus stood on the beach; yet the disciples knew not that it was Jesus.

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 holden that they should not recognize Him.
John 20:14
Having said these things, she turned back, and beholds Jesus standing, and knew not that it was Jesus.
John 21:4
But, morning now coming on, Jesus stood on the beach; yet the disciples knew not that it was Jesus.