And they of the south shall possess the mountains of Esau; and they of the lowlands the Philistines: and they shall possess the fields of Ephraim, and the fields of Samaria: and Benjamin shall possess Gilead.
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Cyril of Alexandria
“Those in the south” signifies the area where the Babylonians invaded Jerusalem led by Nebuchadnezzar. The entire province of Judea was laid waste, sinking back into misery so that it was reduced to absolute silence and appeared entirely deserted. However, when God will enter into the misery of the captives, he will return them to the land of their ancestors after his wrath has subsided. In their return from Babylon the entire multitude of Israel will possess the region of the nations that is equal to Edom. This is a sign of blessing from God. . ...
Plains. Sephala, Josue x. 40.
Samaria, which the Cutheans had occupied, till Alexander subjected them to the Jews, and Hircan asserted his authority. (Josephus, Antiquities xiii. 18.)
Galaad, east of the Jordan. Benjamin alone did not occupy this country.