Genesis 11:29
Abram and Nahor took wives. The name of Abram's wife was Sarai, and the name of Nahor's wife, Milcah, the daughter of Haran who was also the father of Iscah.
Genesis 17:15
God said to Abraham, "As for Sarai your wife, you shall not call her name Sarai, but her name will be Sarah.
Genesis 22:20
It happened after these things, that it was told Abraham, saying, "Behold, Milcah, she also has borne children to your brother Nahor:
Genesis 20:12
Besides, she is indeed my sister, the daughter of my father, but not the daughter of my mother; and she became my wife.
Genesis 24:15
It happened, before he had finished speaking, that behold, Rebekah came out, who was born to Bethuel the son of Milcah, the wife of Nahor, Abraham's brother, with her pitcher on her shoulder.