Kejadian 17:19

Sara : the wife of Abraham and the mother of Isaac,daughter of Terah; wife of Abraham

Kejadian 21:12

Abraham : a son of Terah; the father of Isaac; ancestor of the Jewish nation.,the son of Terah of Shem

Sara : the wife of Abraham and the mother of Isaac,daughter of Terah; wife of Abraham

Roma 9:7

Abraham : a son of Terah; the father of Isaac; ancestor of the Jewish nation.,the son of Terah of Shem

Ishak : the only son of Abraham and Sarah; father of Jacob and Esau