Avraham’s great-grandchildren absolutely saw those physical altars,

With regards to Avraham staked a claim for the future borders of Israel. Did his great grand children saw those altar hope they regain faith with HaShem

Sometimes seeing might not always believing

 Yes, Avraham’s great-grandchildren absolutely saw those physical altars, and they served as profound prophetic signposts that physically shocked the children of Israel back into emunah (faith) and covenant alignment!

From a Messianic Jewish perspective, those stone altars were not just stacks of rocks; they were living monuments. In the ancient world, altars were built of large, heavy, uncut stones. They did not erode easily and survived for centuries. When the descendants of Avraham finally returned to the Land after 400 years of Egyptian bondage and 40 years in the wilderness, they crossed the Jordan and retraced Avraham's footsteps—colliding directly with his altars.

Every time they encountered a patriarchal altar, it triggered a massive wave of covenant renewal and restored faith.

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1. Re-discovering the Altar at Shkhem: Conquering the Fear of Giants

When Joshua (Yehoshua) led the massive national assembly of Israel into the heart of the Promised Land, one of their very first major spiritual stops was Mount Ebal and Mount Gerizim, which directly flank the valley of Shkhem (Shechem). 

• What Avraham Did: Shkhem was the mouth of our "clay jug" map—the location where Avraham built his very first altar when the terrifying Canaanites possessed the land. 
• What the Grandchildren Witnessed: Centuries prior, the twelve spies had wept at Shkhem because they saw giants and lost their faith. But under Yehoshua, the grandchildren marched right into that valley. They stood where Avraham stood. Yehoshua built a new altar on Mount Ebal out of uncut stones, wrote a copy of the Torah on stone monuments, and read the blessings and curses to the entire nation. 
• The Messianic Awakening: Looking down at the ancient footprints of Avraham's first altar, the nation's faith was completely revived. They realized that the giants were nothing compared to the El Elyon (God Most High) who had promised this exact dirt to their father Avraham four centuries earlier. 

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2. Re-claiming the Altar at Bet-El: Stripping Away Foreign Idols

The great-grandchildren did not just see the altars after the Egyptian Exodus; even earlier, Avraham’s immediate grandson Ya'akov (Jacob) had to use these altars to restore his family's faltering faith.

       [ THE SPIRITUAL RESET AT THE ALTAR ]
  
   Ya'akov's family slide into pagan compromise (Shechem)
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   HaShem commands: "Go up to Bet-El and build an altar..."
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   Action: Burying foreign gods under the Oak of Shkhem
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   Result: Return to El-Bethel — Covenant Faith Restored!

When Ya'akov’s family fell into moral compromise and began carrying foreign pagan idols, Adonai gave a strict command: "Arise, go up to Bet-El and live there, and make an altar there to God..." (Bereshit / Genesis 35:1). Ya'akov immediately cleaned house, buried all the foreign gods under the oak at Shkhem, and marched his family to Bet-El—the neck of our "clay jug" map. Returning to the exact geographic altars of Avraham and Isaac broke the spell of foreign idolatry and completely reset the family’s devotion to the One True God. 

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3. Re-entering Chevron (Hebron): Activating the Resurrection Hope

When Caleb, one of the two faithful spies, walked through the land during the wilderness scouting mission, he specifically requested Chevron as his personal inheritance (Yehoshua / Joshua 14).

• What Avraham Did: Chevron was the wide base of the altar map, the place where Avraham built his altar of fellowship and purchased the Cave of Machpelah to bury Sarah. 
• What the Descendants Saw: Caleb and the later conquering armies saw the physical burial plot of Avraham, Isaac, and Ya'akov.
• The Messianic Awakening: Seeing the altars and the tombs at Chevron reminded the grandchildren that HaShem is not the God of the dead, but of the living. It proved that even if generations pass away, the Word of God remains alive. Chevron became the ultimate anchor of faith, later serving as David’s very first royal capital city before he took Yerushalayim.

The Legacy of the Stones

Every altar Avraham built was a physical prophecy waiting to be fulfilled by his descendants. When the grandchildren looked at those stones, they didn't just see historical ruins; they saw proof of a mathematical certainty: What HaShem promises to the fathers, He sovereignly performs for the children.