Marriage: Consanguinous, Abraham and Sarah

And Abram and Nahor took wives for themselves. Abram’s wife was named Sarai, and Nahor’s wife was named Milcah; she was the daughter of Haran, who was the father of both Milcah and Iscah.

Please say you are my sister, so that I will be treated well for your sake, and on account of you my life will be spared.”

One night, however, God came to Abimelech in a dream and told him, “You are as good as dead because of the woman you have taken, for she is a married woman.”