Cross reference
Leviticus 22:12
12 If a priest's daughter is married to an outsider, she shall not eat of the heave offering of the holy things.
Leviticus 21:3
3 and for his virgin sister who is near to him, who has had no husband; for her he may defile himself.
Isaiah 40:13
13 Who has directed the Spirit of Yahweh, or being his counselor has taught him?