Abraham took another woman, Keturah, as his wife—likely during Sarah’s later years—and fathered six more sons through her. Whether she was regarded as a wife or a concubine, this later union brought him additional offspring. However, unlike Isaac, these sons were not included in the inheritance. They were given gifts and sent away toward the east, removed from the land set apart for the promised line.
It was a deliberate distancing, not born of rejection or disregard, but of discernment. Abraham understood that Isaac was not merely another son, but the one through whom God’s covenant would be fulfilled. The patriarch had already lived through the deep tensions that arose between Sarah and Hagar, and between their sons, Ishmael and Isaac. He had seen how rivalry, proximity, and unclear boundaries could stir up strife and division. With that memory still fresh, he may have sought to prevent history from repeating itself. By sending Keturah’s sons away, he created space for Isaac’s role to be protected and uncontested.
Ishmael Returns
Abraham lived a hundred and seventy-five years. Then Abraham breathed his last and died at a good old age, an old man and full of years; and he was gathered to his people. His sons Isaac and Ishmael buried him in the cave of Machpelah – Genesis 25:7-9 (NIV)
Interestingly, only Isaac and Ishmael appear at the patriarch’s burial. The sons sent east did not return. Were they too far? Had time and distance dimmed family ties? Or was their absence a quiet confirmation that inheritance was never merely about blood, but about the covenant?
As the generations moved forward, Ishmael’s descendants multiplied into twelve tribal rulers, fulfilling an earlier promise. Ishmael lived for a hundred and thirty-seven years before passing away, and he was laid to rest among his people. His descendants established themselves in the region stretching from Havilah to Shur, located near Egypt’s eastern border in the direction of Ashur
And they lived in hostility toward all the tribes related to them. – Genesis 25:18 (NIV)
The text says that they were to live in hostility with their relatives — or, as some translations clarify, living “to the east of their relatives.” Whether through hostility or distance, they remained separate. One cannot help but recall the earlier prophecy spoken over Ishmael: that he would live with a defiant spirit, his hand against all, and theirs against him. A life shaped not by rejection alone, but by temperament — a wildness that echoed into his lineage.
Isaac Prays for His Wife
Isaac prayed to the LORD on behalf of his wife, because she was childless. – Genesis 25:21 (NIV)
Isaac and Rebekah, though united in love, were childless for twenty years. It is Isaac who intercedes — not merely as a husband, but as a man carrying the weight of promise. His prayer is not self-focused; he pleads for his wife. One might wonder why Rebekah did not pray herself, but perhaps her silence was not absence, but weariness. Or perhaps her relationship with the God of her husband was still taking shape. In time, she does seek the Lord directly, disturbed by the turmoil within her womb.
The babies jostled each other within her, and she said, “Why is this happening to me?” So she went to inquire of the LORD. – Genesis 25:22 (NIV)
Her seeking is met with a troubling revelation: two nations are at war within her womb, and the older will serve the younger. This prophetic word is not only personal but deeply symbolic — a complete reversal of cultural norms and expectations. In the ancient world, the firstborn was entitled to authority, inheritance, and family leadership. Yet here, God’s plan subverts the established order. The younger will rise; the elder will yield.
Time and again, Scripture reveals a pattern: God chooses the one no one else would. David, the youngest and forgotten son, left tending sheep, is called to be king. Solomon, not the firstborn of David’s many sons, becomes the heir. Joseph, sold into slavery by his older brothers, is raised to power in Egypt to save not just his family, but entire nations. And Jacob, the younger twin, receives the birthright and blessing over Esau, the rightful firstborn.
Sibling Rivalry
When the time came for her to give birth, there were twin boys in her womb. The first to come out was red, and his whole body was like a hairy garment; so they named him Esau. After this, his brother came out, with his hand grasping Esau’s heel; so he was named Jacob. Isaac was sixty years old when Rebekah gave birth to them. – Genesis 25:24-26 (NIV)
The conflict between the twins, Jacob and Esau, begins before birth and takes form in adulthood. One day, hungry and impulsive, Esau sells his birthright for a bowl of stew. Birthright signified leadership, spiritual authority, and a double share of inheritance. It was not merely about wealth, but about legacy. Esau, focused on the immediate, saw no value in what seemed abstract. His hunger clouded his judgment; his appetite outweighed his sense of calling.
Can we blame him? After all, the outcome had been foretold — the older would serve the younger. Was he not simply walking the path already laid for him? Yet foreknowledge is not coercion. The prophecy revealed Esau’s heart more than it determined his choice. He acted freely, and his indifference mattered. God’s foresight is not fatalism; it is the clarity of one who knows what a man will choose when tested.
Some may raise the question of fairness, as they do with Judas, who betrayed Jesus as Scripture foretold. But to be foretold is not to be forced. The moment Esau devalued his birthright, he did not simply lose an inheritance — he revealed that he never grasped its worth.
Do We Have Free Will?
One of the clearest glimpses into the relationship between God’s sovereignty and human choice is found in the account of King Hezekiah. The prophet Isaiah was sent with a definitive message from God: Hezekiah was to set his house in order, for he would not recover from his illness — he would surely die.
Yet, as Isaiah was departing, Hezekiah turned his face to the wall and prayed. No prophet interceded on his behalf; no ritual was performed. It was a personal, earnest plea to God. And before Isaiah had even left the palace courts, the word of the Lord came to him again: the verdict had changed. God had heard the king’s prayer, seen his tears, and added fifteen more years to his life.
This moment underscores something that we often misunderstand: that what God reveals is not always fixed fate, but often a call to respond. Foreknowledge is not the same as predetermination. God, in His omniscience, knows every path a person might take, yet the freedom to choose remains. When individuals respond — through faith, repentance, or prayer — God may act in mercy, even altering outcomes.
It is not the hand one is dealt that defines the future, but the response to it. To say otherwise would deny the gift of free will. God’s pronouncements are never to be used as excuses for fatalism, but as invitations to engage Him. The plan of redemption, after all, was not a reaction to man’s fall, but a foundation laid before creation itself. From the very beginning, as God formed the heavens and the earth, He had already made provision for the brokenness that would come. If Genesis was written by a New Testament author, the first verse of the Bible could very well have been, “In the beginning, God created the heavens and the earth and the redemption of man.”
Discussion Questions
- Why did Abraham marry again? Why did he send his other sons away?
- Why did Ishmael’s clan have to live in hostility with other tribes related to them?
- Why did Isaac pray on behalf of Rebekah? Why didn’t she pray directly?
- Can we pray on behalf of someone?
- What is birthright, and why is it so important?
- Can we blame Esau for selling his birthright when God foretold this to Rebekah?
The Jordan Valley 
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