King James Version
Therefore will he give them up, until the time that she which travaileth hath brought forth: then the remnant of his brethren shall return unto the children of Israel.English Standard Version
Therefore he shall give them up until the time when she who is in labor has given birth; then the rest of his brothers shall return to the people of Israel.New International Version
Therefore Israel will be abandoned until the time when she who is in labor gives birth and the rest of his brothers return to join the Israelites.