Acts 7:6

God spoke in this way: that his seed would live as aliens in a strange land, and that they would be enslaved and mistreated for four hundred years.

Genesis 15:13

He said to Abram, "Know for sure that your seed will live as foreigners in a land that is not theirs, and will serve them. They will afflict them four hundred years.

Genesis 15:16

In the fourth generation they will come here again, for the iniquity of the Amorite is not yet full."

Exodus 12:40-41

Now the time that the children of Israel lived in Egypt was four hundred thirty years.

Galatians 3:17

Now I say this. A covenant confirmed beforehand by God in Christ, the law, which came four hundred thirty years after, does not annul, so as to make the promise of no effect.

Treasury of Scripture Knowledge

Summary

And God spake on this wise, That his seed should sojourn in a strange land; and that they should bring them into bondage, and entreat them evil four hundred years.

Bible References

That

Genesis 15:13
He said to Abram, "Know for sure that your seed will live as foreigners in a land that is not theirs, and will serve them. They will afflict them four hundred years.

Four

Exodus 12:40
Now the time that the children of Israel lived in Egypt was four hundred thirty years.
Galatians 3:17
Now I say this. A covenant confirmed beforehand by God in Christ, the law, which came four hundred thirty years after, does not annul, so as to make the promise of no effect.