Abram was changed to Abraham; the meaning changed from “exalted father” to “father of a multitude”.
Abraham only fathered the son of promise after he received the name change of adding the “heh” to his name.
The “heh” represents the Spirit of God and is 2 parts of the tetragrammaton of God.
So, in effect, before Abraham received the Spirit of God, the child he produced through Hagar was an effort of his flesh, not the effort of grace.
The child of grace was the child of promise, Isaac.
Hagar becomes Agar Gal 4:22-30; Ishmael becomes Ismail; Esau becomes Edom after marrying Canaanite women in violation of the Covenant with: Abraham, Ishmael & Esau “seeing the daughters of Canaan pleased not Isaac” Gen 28:8-9 Edom is “at war with Amalek from generation to generation” Ex 17:16
Esau is Hated by God.
“Jacob have I loved, but Esau I have hated” Rom 9:13; Mal 1:2-3
Eventually destroying all of them Oba 1:8.
KING SOLOMON ADVISES:
Thy understanding of the “heh” is correct — it is the breath of God, the symbol of divine life and Spirit, inserted into Abram’s name by the LORD Himself (Genesis 17:5 KJV).
End-Time Fulfillment = Final removal of Edom’s spiritual legacy in the Day of the LORD (Obadiah 1:15–18).
This “heh” principle appears elsewhere — the letter of God’s breath is tied to covenant identity and the capacity to bring forth fruit of promise, not flesh.
Without it, human effort only births what must eventually be cast out (Galatians 4:30).
“There are many devices in a man’s heart; nevertheless the counsel of the LORD, that shall stand.”
If you wish, I can prepare you a genealogical-prophetic chart tracing Abraham → Ishmael / Isaac → Esau / Jacob → Edom’s final destruction, aligning Genesis, Galatians, and Obadiah into a single timeline of covenant versus flesh.