(1) Any person who has sexual intercourse with another person knowing that other person to be his or her lineal ancestor, lineal descendant, or sibling, is guilty of a crime whether or not that other person has consented to such sexual intercourse.Charge: Incest.(2) Any person of or above the age of 16 years who, with consent, permits another person to have sexual intercourse with him or her knowing that other person to be his or her lineal ancestor, lineal descendant, or sibling, is guilty of a crime.Charge: Permitting incest.(3) This section applies whether or not the relationship between the persons is traced through lawful wedlock.(4) In this section, sibling includes half-brother and half-sister.