Literally fulfilled in part at the return from Babylon, in which many Israelites joined with Judah. Spiritually, the believing seed of Jacob or Israel, Gentiles as well as Jews, numerous “as the sand” (Gen 32:12); the Gentiles, once not God’s people, becoming His “sons” (Joh 1:12; Rom 9:25, Rom 9:26; 1Pe 2:10; 1Jo 3:1). To be fulfilled in its literal fullness hereafter in Israel’s restoration (Rom 11:26).