Same promise which was given to Abraham which is to come.
18 On that day the Lord made a covenant with Abram, saying, “To your descendants I give this land, from the river of Egypt to the great river, the river Euphra′tes, 19 the land of the Ken′ites, the Ken′izzites, the Kad′monites, 20 the Hittites, the Per′izzites, the Reph′aim, 21 the Amorites, the Canaanites, the Gir′gashites and the Jeb′usites.” Gen 15