Cross reference
Acts 7:6
6 `And God spake thus, That his seed shall be sojourning in a strange land, and they shall cause it to serve, and shall do it evil four hundred years,
Genesis 15:13
13 and He saith to Abram, `knowing -- know that thy seed is a sojourner in a land not theirs, and they have served them, and they have afflicted them four hundred years,
Genesis 15:16
16 and the fourth generation doth turn back hither, for the iniquity of the Amorite is not yet complete.'
Exodus 12:40-41
40 And the dwelling of the sons of Israel which they have dwelt in Egypt `is' four hundred and thirty years;
41 and it cometh to pass, at the end of four hundred and thirty years -- yea, it cometh to pass in this self-same day -- all the hosts of Jehovah have gone out from the land of Egypt.
Galatians 3:17
17 and this I say, A covenant confirmed before by God to Christ, the law, that came four hundred and thirty years after, doth not set aside, to make void the promise,