'Seed of Abraham' in the Bible

They answered him, 'Seed of Abraham we are; and to no one have we been servants at any time; how dost thou say -- Ye shall become free?'

'I have known that ye are seed of Abraham, but ye seek to kill me, because my word hath no place in you;

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

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

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

But if you belong to Christ then you are the seed of Abraham, heirs according to the promise.

For verily he took not on him the nature of angels; but he took on him the seed of Abraham.