Abraham's Royal Grant

Genesis 15:18 “In the same day the Lord made a covenant with Abram, saying, Unto thy seed have I given this land, from the river of Egypt unto the great river, the river Euphrates:”

Ezekiel 48:1 “How these are the names of the tribes. From the north end to the coast of the way of Hethlon, as one goeth to Hamath, Hazar-enan, the border of Damascus northward, to the coast of Hamath; …”
Ezekiel 48:28- 29 “And by the border of Gad, at the south side southward, the border shall be even from Tamar unto the waters of strife in Kadesh, and to the river toward the great sea. “