Genesis 11:29
And Abram and Nahor took wives for themselves. The name of Abram's wife was Sarai, and the name of Nahor's wife was Milcah; she was the daughter of Haran, the father of both Milcah and Iscah.
Genesis 17:15
Then God said to Abraham, "As for your wife, you must no longer call her Sarai; Sarah will be her name.
Genesis 22:20
After these things Abraham was told, "Milcah also has borne children to your brother Nahor --
Genesis 20:12
What's more, she is indeed my sister, my father's daughter, but not my mother's daughter. She became my wife.
Genesis 24:15
Before he had finished praying, there came Rebekah with her water jug on her shoulder. She was the daughter of Bethuel son of Milcah (Milcah was the wife of Abraham's brother Nahor).