Jezekiel 44:25

25 And they shall not go in to the dead body of a man to defile themselves: only may defile himself for a father, or for a mother, or for a son, or for a daughter, or for a brother, or for his sister, who has not been married.

Jezekiel 44:25 In-Context

23 And they shall teach my people between holy and profane, and they shall make known to them between unclean and clean.
24 And these shall attend at a judgment of blood to decide it: they shall rightly observe my ordinances, and judge my judgments, and keep my statutes and my commandments in all my feasts; and they shall hallow my sabbaths.
25 And they shall not go in to the dead body of a man to defile themselves: only may defile himself for a father, or for a mother, or for a son, or for a daughter, or for a brother, or for his sister, who has not been married.
26 And after he has been cleansed, let him number to himself seven days.
27 And on whatsoever day they shall enter into the inner court to minister in the holy place, they shall bring a propitiation, saith the Lord God.

The Brenton translation of the Septuagint is in the public domain.