7 he fouls not himself for his father or for his mother, for his brother or for his sister, when they die: because the separatism of his Elohim is on his head.
Numbers 6:7 Cross References - ECB
Leviticus 21:1-2
Leviticus 21:10-12
10 And he who is the great priest among his brethren, upon whose head the anointing oil is poured and fills his hand to enrobe the clothes, neither exposes his head nor tears his clothes;
11 he neither goes in to any soul that died nor fouls himself for his father or for his mother;
12 neither goes he out of the holies nor profanes the holies of his Elohim: for the separatism of the anointing oil of his Elohim is upon him: I - Yah Veh.
Numbers 9:6
6 And there are men, defiled by the soul of a human, who cannot work the pasach on that day who approach at the face of Mosheh and at the face of Aharon on that day:
Ezekiel 44:25
25 and they approach no dead human to foul themselves: except for father or for mother or for son or for daughter; for brother or for sister: so that they foul no man.