John 7:27

But as to This Man we know whence He is; but, when the Christ cometh, no one knows whence He is."

John 6:42

And they said, "Is not this Jesus, the Son of Joseph, Whose father and mother we know? How doth He now say, 'I have come down out of Heaven'?

John 7:41-42

others said, "This is the Christ;" but some said, "What? doth the Christ come out of Nazareth?"

Matthew 2:5-6

And they said to him, "In Bethlehem of Judaea;" for thus it has been written through the prophet:

Luke 4:22

And all were bearing witness to Him, and were wondering at the words of grace which proceeded out of His mouth; and they said, "Is not this Joseph's Son?"

John 9:29

We know that God hath spoken to Moses; but, as to this Man, we know not whence He is."

Matthew 13:54-57

And, coming into His own country, He taught them in their synagogue, so that they were astonished, and said, "Whence hath this Man this wisdom, and the mighty works?

Mark 6:3

"Is not This the Carpenter, the Son of Mary, and brother of James, and Joses, and Judas, and Simon? and are not His sisters here with us?" And they were finding occasion of stumbling in Him.

John 7:15

The Jews, therefore, were marveling, saying, "How knoweth This Man letters, having never learned!"

Acts 8:33

In His humiliation, His judgment was taken away; His generation who shall declare? because His life is being taken away from the earth."

Treasury of Scripture Knowledge

Summary

Howbeit we know this man whence he is: but when Christ cometh, no man knoweth whence he is.

Bible References

We know

John 7:15
The Jews, therefore, were marveling, saying, "How knoweth This Man letters, having never learned!"
John 6:42
And they said, "Is not this Jesus, the Son of Joseph, Whose father and mother we know? How doth He now say, 'I have come down out of Heaven'?
Matthew 13:54
And, coming into His own country, He taught them in their synagogue, so that they were astonished, and said, "Whence hath this Man this wisdom, and the mighty works?
Mark 6:3
"Is not This the Carpenter, the Son of Mary, and brother of James, and Joses, and Judas, and Simon? and are not His sisters here with us?" And they were finding occasion of stumbling in Him.
Luke 4:22
And all were bearing witness to Him, and were wondering at the words of grace which proceeded out of His mouth; and they said, "Is not this Joseph's Son?"

No man

John 7:41
others said, "This is the Christ;" but some said, "What? doth the Christ come out of Nazareth?"
Matthew 2:5
And they said to him, "In Bethlehem of Judaea;" for thus it has been written through the prophet:
Acts 8:33
In His humiliation, His judgment was taken away; His generation who shall declare? because His life is being taken away from the earth."