Noah Webster's 1828 Dictionary Definition of Truth:
Conformity to fact or reality; exact accordance with that which is, or has been, or shall be. The truth of history constitutes its whole value. We rely on the truth of the scriptural prophecies.
This prophecy clearly states the lineage of the Messiah will come from Abraham through Isaac and not Ishmael. This gives credence to the genealogies listed in Matthew chapter one and Luke chapter three. Jesus fulfilled this prophecy becoming the reconciliation for humanity to the loving heavenly Father.
ISAAC AND ISHMAEL IN CONFLICT
Gen 21:12 But God said to him, “Do not be so distressed about the boy and your slave woman. Listen to whatever Sarah tells you, because it is through Isaac that your offspring will be reckoned.
THE MYSTERY OF THE AGES NOW DISCLOSED
64 AD (U)
Col 1:20 and through him to reconcile to himself all things, whether things on earth or things in heaven, by making peace through his blood, shed on the cross.