Genesis 20:12

Moreover also, in truth, my sister daughter of my father, she is, only not daughter of my mother, - so she became my wife.

Genesis 11:29

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

Genesis 12:13

Say, I beseech thee that my sister, art thou, - to the end it may be well with me for thy sake, so shall my soul be preserved alive because of thee.

1 Thessalonians 5:22

From every form of wickedness, abstain.

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
And Abram and Nahor took to themselves wives; the name of Abrams wife, was Sarai; and, the name of Nahor's wife, Milcah, daughter of Haran father of Milcah, and father of Iscah.
Genesis 12:13
Say, I beseech thee that my sister, art thou, - to the end it may be well with me for thy sake, so shall my soul be preserved alive because of thee.
1 Thessalonians 5:22
From every form of wickedness, abstain.

General references

Leviticus 20:17
And, any man, who taketh his sister - his father's daughter or his mother's daughter, and vieweth her shame, and, she, vieweth his shame, a disgrace, it is, - they shall therefore be cut off in the sight of the sons of their people, - the shame of his sister, hath he uncovered - his iniquity, shall he bear.