Genesis 20:12
Besides, she is my sister. She is my father's daughter, but not my mother's. She is also my wife.
Genesis 11:29
Abram and Nahor both married. 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 12:13
Say you are my sister, so that I will be treated well for your sake, and my life will be spared because of you.
1 Thessalonians 5:22
Abstain from all appearance of evil.
Treasury of Scripture Knowledge
Summary
And yet indeed she is my sister; she is the daughter of my father, but not the daughter of my mother; and she became my wife.
General references
Bible References
And yet
Genesis 11:29
Abram and Nahor both married. 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 12:13
Say you are my sister, so that I will be treated well for your sake, and my life will be spared because of you.
1 Thessalonians 5:22
Abstain from all appearance of evil.
General references
Leviticus 20:17
If a man marries his sister or half sister, they must be publicly disgraced and driven out of the community. He has had intercourse with his sister and must suffer the consequences.