Genesis 19:38

19:38 The younger daughter also gave birth to a son and named him Ben-Ammi. He is the ancestor of the Ammonites of today.

Genesis 19:33

19:33 So that night they made their father drunk with wine, and the older daughter came and had sexual relations with her father. But he was not aware that she had sexual relations with him and then got up.

Genesis 24:15

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).