Leviticus 21:11 in the King James Version
Neither shall he go in to any dead body, nor defile himself for his father, or for his mother;
Context
10 “‘He who is the high priest among his brothers, upon whose head the anointing oil is poured, and who is consecrated to put on the garments, shall not let the hair of his head hang loose, or tear his clothes.
11 He must not go in to any dead body, or defile himself for his father or for his mother.
12 He shall not go out of the sanctuary, nor profane the sanctuary of his God; for the crown of the anointing oil of his God is upon him. I am the LORD.