Galatians 3:6-7, 29
Galatians 3:6-7 KJV
Even as Abraham believed God, and it was accounted to him for righteousness. Know ye therefore that they which are of faith, the same are the children of Abraham.
Galatians 3:29 KJV
And if ye be Christ's, then are ye Abraham's seed, and heirs according to the promise.