Leviticus 21:3
virgin sister (who is a near relative of him and did not have a husband he may defile himself for her).
Treasury of Scripture Knowledge
Summary
And for his sister a virgin, that is nigh unto him, which hath had no husband; for her may he be defiled.
General references
Bible References
General references
Ezekiel 44:25
They are not to come in contact with a dead body, so they don't defile themselves, except in the case of their father, mother, son, daughter, brother, or for an unmarried sister, on whose behalf they may defile themselves.