This is a promise of the restoration of the Jews to the true Church and fold of God "when they shall be gathered home."
The Lands of their Inheritance. When Israel entered Canaan under Joshua, the country was divided by lot "for an inheritance" among the families of the various tribes. In the division the larger tribes received a larger territory than those with a smaller number of families. The country east of the Jordan was allotted to Reuben, Gad and half the tribe of Manasseh. The rest of the people were settled between the Jordan and the Mediterranean. To the descendants of Levi, who were devoted to the temple service and literary pursuits, a certain number of cities with surrounding land for grazing purposes were to be allotted. (See Numb. 34:5), which is a brook running through the Sinai peninsula to the Mediterranean south of Gaza. The northern boundary was a line drawn through Hazar-enan, which some have identified as the modern Kuryetein, sixty miles northeast of Damascus.
Their Lands of Promise. This, probably, refers to the entire territory which the Lord promised the descendants of Abraham. (Gen. 15:18-21)