TSK
Treasury of Scripture Knowledge references in WEB.
It happened, while Israel lived in that land, that Reuben went and lay with Bilhah, his father's concubine, and Israel heard of it. Now the sons of Jacob were twelve.
"'You shall not uncover the nakedness of your father's wife: it is your father's nakedness.
A man shall not take his father's wife, and shall not uncover his father's skirt.
So they spread Absalom a tent on the top of the house; and Absalom went in to his father's concubines in the sight of all Israel.
In you have they uncovered their fathers' nakedness; in you have they humbled her who was unclean in her impurity.
It is actually reported that there is sexual immorality among you, and such sexual immorality as is not even named among the Gentiles, that one has his father's wife.