Genesis 42:8

And Joseph discerneth his brethren, but they have not discerned him,

Genesis 37:2

These are births of Jacob: Joseph, a son of seventeen years, hath been enjoying himself with his brethren among the flock, (and he is a youth,) with the sons of Bilhah, and with the sons of Zilpah, his father's wives, and Joseph bringeth in an account of their evil unto their father.

Luke 24:16

and their eyes were holden so as not to know him,

John 20:14

and these things having said, she turned backward, and seeth Jesus standing, and she had not known that it is Jesus.

John 21:4

And morning being now come, Jesus stood at the shore, yet indeed the disciples did not know that it is Jesus;

Treasury of Scripture Knowledge

Summary

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

General references

Bible References

But they knew

Luke 24:16
and their eyes were holden so as not to know him,
John 20:14
and these things having said, she turned backward, and seeth Jesus standing, and she had not known that it is Jesus.
John 21:4
And morning being now come, Jesus stood at the shore, yet indeed the disciples did not know that it is Jesus;

General references

Genesis 44:19
My lord hath asked his servants, saying, Have ye a father or brother?