And they shall come back here in the fourth generation, for the iniquity of the Amorites is not yet complete (Gen 15:13–16 ESV). God told Abraham that his descendants (the people of Edom, Ammon, Moab, and, of course, Israel) would live in bondage but would one day return to the land of promise—at a time when the iniquity of the Amorites had reached the point when God was ready to judge it.
