No, incestuous relationships, including dating siblings, are criminalized under Portuguese law, punishable by up to 2 years imprisonment under Article 210 of the Penal Code. The 2023 amendment to Law 99/2001 reinforced familial integrity protections, aligning with EU anti-incest directives. Local prosecutors (Ministério Público) actively investigate reported cases, particularly involving minors or coercion.
Key Regulations for Dating Siblings in Portugal
- Criminal Prohibition: Article 210 of the Penal Code explicitly bans sexual relations between siblings, regardless of consent, with penalties escalating if victims are under 16 or vulnerable.
- Family Law Restrictions: Civil unions or marriages between siblings are void under Article 1600 of the Civil Code, as they violate public order and morality.
- 2026 Compliance Shifts: The upcoming revision of the Penal Code (Decreto-Lei 48/2023) introduces stricter enforcement mechanisms, including mandatory psychological evaluations for accused parties and enhanced reporting obligations for healthcare providers.
Local courts (Tribunais Judiciais) prioritize cases involving power imbalances or familial exploitation, often leveraging the 2021 Lei da Violência Familiar to address coercive dynamics. Non-residents engaging in such conduct within Portugal may face extradition under bilateral treaties.