Genesis 11:29

And Abram and Nahor took wives to themselves. The name of Abram's wife was Sarai, and the name of Nahor's wife, Milcah, the daughter of Haran, the father of Milcah, and the father of Iscah.

Genesis 17:15

And God said to Abraham, As for Sarai thy wife, thou shall not call her name Sarai, but her name shall be Sarah.

Genesis 22:20

And it came to pass after these things, that it was told Abraham, saying, Behold, Milcah, she also has borne sons to thy brother Nahor:

Genesis 20:12

And moreover 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

And it came to pass, before he was done 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 upon her shoulder.

Treasury of Scripture Knowledge

Summary

And Abram and Nahor took them wives: the name of Abram's wife was Sarai; and the name of Nahor's wife, Milcah, the daughter of Haran, the father of Milcah, and the father of Iscah.

General references

Bible References

Sarai

Genesis 17:15
And God said to Abraham, As for Sarai thy wife, thou shall not call her name Sarai, but her name shall be Sarah.
Genesis 20:12
And moreover she is indeed my sister, the daughter of my father, but not the daughter of my mother, and she became my wife.

Milcah

Genesis 22:20
And it came to pass after these things, that it was told Abraham, saying, Behold, Milcah, she also has borne sons to thy brother Nahor:
Genesis 24:15
And it came to pass, before he was done 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 upon her shoulder.

General references

Genesis 24:24
And she said to him, I am the daughter of Bethuel the son of Milcah, whom she bore to Nahor.