According to the Bible, she was not only Abraham's wife, she was also his half-sister
... And Abram and 
Nahor took them wives: the name of Abram's wife was Sarai; and the name ... 
Also according to Jasher Abram spent a number of years living in the house of 
Shem ... And yet indeed she is my sister; she is the daughter of my father, but not 
the... [DOC] [TLE] Sarah/Sarai: Bible | Jewish Women's Archive [PAR] Sarah is the wife of Abraham, the mother of Isaac, and thus the ancestress of all 
Israel.