Leviticus 21:3

or an unmarried sister, who has no husband to take care of 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
A priest must not make himself unclean by going near a dead body. But a priest may become unclean if the dead person is his father, mother, son, daughter, brother, or unmarried sister.