Leviticus 20:21

If a man takes his brother’s wife, it is a hated and unclean thing; he has uncovered his brother’s nakedness. They will be childless.

Leviticus 18:16

You shall not uncover the nakedness of your brother’s wife; it is your brother’s nakedness.

Matthew 14:3-4

For Herod had John arrested and bound him and put him in prison [at the fortress of Machaerus, east of the Jordan, to keep him away] because of Herodias, the wife of his brother Philip,

Treasury of Scripture Knowledge

Summary

And if a man shall take his brother's wife, it is an unclean thing: he hath uncovered his brother's nakedness; they shall be childless.

General references

Bible References

His brother's

Leviticus 18:16
You shall not uncover the nakedness of your brother’s wife; it is your brother’s nakedness.
Matthew 14:3
For Herod had John arrested and bound him and put him in prison [at the fortress of Machaerus, east of the Jordan, to keep him away] because of Herodias, the wife of his brother Philip,

General references

Leviticus 18:16
You shall not uncover the nakedness of your brother’s wife; it is your brother’s nakedness.
Matthew 14:4
for John had said to him, “It is not lawful (morally right) for you to have her [living with you as your wife].”