Acts 7:6

The third line (in English) translating the meaning of each word in the Orthodox Yiddish Brit Chadas

and Hashem did to him just speak: that his seed will be a ger (proselyte) in a strange land, and they will be enslaved and tortured four hundred years long.

Cross References

Galatians 3:17

I say however the these: a bond (covenant), previously confirmed by Hashem, can the Torah, which is come four hundred and thirty years later, not set aside, that the promise shall null and void become.