Acts 7:6

And God spoke thus: His seed shall be a sojourner in a strange land, and they shall enslave them and evil entreat them four hundred years;

Genesis 15:13

And he said to Abram, Know assuredly that thy seed will be a sojourner in a land that is not theirs, and they shall serve them; and they shall afflict them four hundred years.

Genesis 15:16

And in the fourth generation they shall come hither again; for the iniquity of the Amorites is not yet full.

Exodus 12:40-41

And the residence of the children of Israel that they resided in Egypt was four hundred and thirty years.

Galatians 3:17

Now I say this, A covenant confirmed beforehand by God, the law, which took place four hundred and 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
And he said to Abram, Know assuredly that thy seed will be a sojourner in a land that is not theirs, and they shall serve them; and they shall afflict them four hundred years.

Four

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