Ezekiel 44:25

"'They shall go in to no dead person to defile themselves; but for father, or for mother, or for son, or for daughter, for brother, or for sister who has had no husband, they may defile themselves.

And they shall come at no dead person to defile themselves: but for father, or for mother, or for son, or for daughter, for brother, or for sister that hath had no husband, they may defile themselves.