4 But he shall not make himself unclean upon a ruler of his people to pollute himself withal.
Leviticus 21:4 Cross References - MSTC
Ezekiel 24:16-17
16 "Thou son of man, behold, I take away the pleasure of thine eyes with a plague: yet shalt thou neither mourn, nor weep, nor water thy cheeks therefore.
17 Thou mayest mourn by thyself alone, but use no deadly lamentation. Hold on thy bonnet, and put on thy shoes upon thy feet, cover not thy face, and eat no mourner's bread."