(1)(a) A person is guilty of incest in the first degree if he or she engages in sexual intercourse with a person whom he or she knows to be related to him or her, either legitimately or illegitimately, as an ancestor, descendant, brother, or sister of either the whole or the half blood.

Attorney's Note

Under the Washington Code, punishments for crimes depend on the classification. In the case of this section:
ClassPrisonFine
class B felonyup to 10 yearsup to $20,000
class C felonyup to 5 yearsup to $10,000
For details, see Wash. Rev. Code § 9A.20.021

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Terms Used In Washington Code 9A.64.020

  • person: may be construed to include the United States, this state, or any state or territory, or any public or private corporation or limited liability company, as well as an individual. See Washington Code 1.16.080
(b) Incest in the first degree is a class B felony.
(2)(a) A person is guilty of incest in the second degree if he or she engages in sexual contact with a person whom he or she knows to be related to him or her, either legitimately or illegitimately, as an ancestor, descendant, brother, or sister of either the whole or the half blood.
(b) Incest in the second degree is a class C felony.
(3) As used in this section:
(a) “Descendant” includes stepchildren and adopted children under eighteen years of age;
(b) “Sexual contact” has the same meaning as in RCW 9A.44.010; and
(c) “Sexual intercourse” has the same meaning as in RCW 9A.44.010.

NOTES:

IntentEffective date2003 c 53: See notes following RCW 2.48.180.
Severability1982 c 129: See note following RCW 9A.04.080.