# K.S.A. § 21-5604: 21-5604 - Incest; aggravated incest

> Kansas · Statutes · In force

URL: https://www.frixlaw.com/law-library/statutes/STATE_KS_C21_A56_S21-5604

## Section

- **Citation:** K.S.A. § 21-5604
- **Heading:** 21-5604 - Incest; aggravated incest
- **Jurisdiction:** Kansas
- **Kind:** Statutes
- **Status:** In force
- **Text as of:** August 14, 2026
- **Source:** Compiled text
- **Location:** KS Code / Chapter 21 / Article 56 / Section 21-5604

## Text

21-5604. Incest; aggravated incest. (a) Incest is marriage to or engaging in otherwise lawful sexual intercourse or sodomy, as defined in K.S.A. 21-5501, and amendments thereto, with a person who is 18 or more years of age and who is known to the offender to be related to the offender as any of the following biological relatives: Parent, child, grandparent of any degree, grandchild of any degree, brother, sister, half-brother, half-sister, uncle, aunt, nephew or niece.

(b) Aggravated incest is:

(1) Marriage to a person who is under 18 years of age and who is known to the offender to be related to the offender as any of the following biological, step or adoptive relatives: Child, grandchild of any degree, brother, sister, half-brother, half-sister, uncle, aunt, nephew or niece; or

(2) engaging in the following acts with a person who is 16 or more years of age but under 18 years of age and who is known to the offender to be related to the offender as any of the following biological, step or adoptive relatives: Child, grandchild of any degree, brother, sister, half-brother, half-sister, uncle, aunt, nephew or niece:

(A) Otherwise lawful sexual intercourse or sodomy as defined by K.S.A. 21-5501, and amendments thereto; or

(B) any lewd fondling, as described in subsection (a)(1) of K.S.A. 21-5506, and amendments thereto.

(c) (1) Incest is a severity level l0, person felony.

(2) Aggravated incest as defined in:

(A) Subsection (b)(2)(A) is a:

(i) Severity level 5, person felony, except as provided in subsection (c)(2)(A)(ii); and

(ii) severity level 3, person felony if the victim is the offender's biological, step or adoptive child; and

(B) subsection (b)(1) or (b)(2)(B) is a severity level 7, person felony.

## Nearby sections

- [K.S.A. § 21-5601 21-5601 - Endangering a child; aggravated endangering a child.](https://www.frixlaw.com/law-library/statutes/STATE_KS_C21_A56_S21-5601.md)
- [K.S.A. § 21-5602 21-5602 - Abuse of a child.](https://www.frixlaw.com/law-library/statutes/STATE_KS_C21_A56_S21-5602.md)
- [K.S.A. § 21-5603 21-5603 - Contributing to a child's misconduct or deprivation.](https://www.frixlaw.com/law-library/statutes/STATE_KS_C21_A56_S21-5603.md)
- [K.S.A. § 21-5604 21-5604 - Incest; aggravated incest.](https://www.frixlaw.com/law-library/statutes/STATE_KS_C21_A56_S21-5604.md)
- [K.S.A. § 21-5605 21-5605 - Abandonment of a child; aggravated abandonment of a child.](https://www.frixlaw.com/law-library/statutes/STATE_KS_C21_A56_S21-5605.md)
- [K.S.A. § 21-5606 21-5606 - Criminal nonsupport.](https://www.frixlaw.com/law-library/statutes/STATE_KS_C21_A56_S21-5606.md)
- [K.S.A. § 21-5607 21-5607 - Furnishing alcoholic liquor or cereal malt beverage to a minor; furnishing alcoholic beverage to a minor for illicit purposes.](https://www.frixlaw.com/law-library/statutes/STATE_KS_C21_A56_S21-5607.md)
- [K.S.A. § 21-5608 21-5608 - Unlawfully hosting minors consuming alcoholic liquor or cereal malt beverage.](https://www.frixlaw.com/law-library/statutes/STATE_KS_C21_A56_S21-5608.md)
- [K.S.A. § 21-5609 21-5609 - Bigamy.](https://www.frixlaw.com/law-library/statutes/STATE_KS_C21_A56_S21-5609.md)
- [K.S.A. § 21-5610 21-5610 - Unlawful possession of a visual depiction of a child.](https://www.frixlaw.com/law-library/statutes/STATE_KS_C21_A56_S21-5610.md)
- [K.S.A. § 21-5611 21-5611 - Unlawful transmission of a visual depiction of a child.](https://www.frixlaw.com/law-library/statutes/STATE_KS_C21_A56_S21-5611.md)
- [K.S.A. § 21-5612 21-5612 - Promoting travel for child exploitation.](https://www.frixlaw.com/law-library/statutes/STATE_KS_C21_A56_S21-5612.md)

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Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/STATE_KS_C21_A56_S21-5604. Check the current official text before relying on it. Not legal advice.