(1) A person commits the crime of incest if the person marries or engages in sexual intercourse or oral or anal sexual intercourse with a person whom the person knows to be related to the person, either legitimately or illegitimately, as an ancestor, descendant or brother or sister of either the whole or half blood.(2) Incest is a Class C felony.Amended by 2017 Ch. 318,§ 12, eff. 1/1/2018.