Accidental incest

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Accidental incest is sexual activity or marriage between persons who were unaware of a family relationship between them which would be considered incestuous.

The laws of many jurisdictions^[which?] void incestuous marriages, even if entered into without awareness of the kinship. If an incestuous relationship is suspected, DNA testing may be used. Some jurisdictions^[which?] permit offspring of IVF donations access to donation records or to adoption records.^{[citation needed]}