'Descendants Of Abraham' in the Bible

Are not you our God, who did drive out the inhabitants of this land before your people Israel, and gave it to the descendants of Abraham your friend forever?

Then will I cast away the descendants of Jacob, and David my servant, so that I will not take any of his descendants to be rulers over the descendants of Abraham, Isaac, and Jacob: for I will cause their captivity to return, and have mercy on them.

Neither, because they are the descendants of Abraham, are they all children: but, In Isaac shall your descendants be called.

I say then, Has God cast away his people? God forbid. For I also am an Israelite, of the descendants of Abraham, of the tribe of Benjamin.

Are they Hebrews? so am I. Are they Israelites? so am I. Are they the descendants of Abraham? so am I.

And verily they that are of the sons of Levi, who receive the office of the priesthood, have a commandment to take tithes of the people according to the law, that is, of their brethren, though they are descendants of Abraham: