Passage cross-references.

And the servant abideth not in the house for ever: but the Son abideth ever.

For it is written, that Abraham had two sons, the one by a bondmaid, the other by a freewoman. …

To an inheritance incorruptible, and undefiled, and that fadeth not away, reserved in heaven for you,

They went out from us, but they were not of us; for if they had been of us, they would no doubt have continued with us: but they went out, that they might be made manifest that they were not all of us.

And these are the generations of Isaac, Abraham’s son: Abraham begat Isaac:

And Esau took his wives, and his sons, and his daughters, and all the persons of his house, and his cattle, and all his beasts, and all his substance, which he had got in the land of Canaan; and went into the country from the face of his brother Jacob. …

And I say unto you, That many shall come from the east and west, and shall sit down with Abraham, and Isaac, and Jacob, in the kingdom of heaven. …

Then said the king to the servants, Bind him hand and foot, and take him away, and cast him into outer darkness; there shall be weeping and gnashing of teeth.

For if the inheritance be of the law, it is no more of promise: but God gave it to Abraham by promise.

Wherefore thou art no more a servant, but a son; and if a son, then an heir of God through Christ.

And God said, Sarah thy wife shall bear thee a son indeed; and thou shalt call his name Isaac: and I will establish my covenant with him for an everlasting covenant, and with his seed after him.

But my covenant will I establish with Isaac, which Sarah shall bear unto thee at this set time in the next year.

And Abraham said, Because I thought, Surely the fear of God is not in this place; and they will slay me for my wife’s sake.

And Abraham stretched forth his hand, and took the knife to slay his son.

But unto the sons of the concubines, which Abraham had, Abraham gave gifts, and sent them away from Isaac his son, while he yet lived, eastward, unto the east country.