TSK · Genesis 21:10

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

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.

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

And Esau took his wives, and his sons, and his daughters, and all the souls of his house, and his cattle, and all his beasts, and all his possessions, which he had gathered in the land of Canaan; and went into a land away from his brother Jacob.

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

And the bondservant abideth not in the house for ever: the son abideth for ever.

So that thou art no longer a bondservant, but a son; and if a son, then an heir through God.

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