Up to four years in prison for siblings.Up to 12 years if descending relative is between 15 and 17 years old.Up to eight years in prison for ascending relative.Grandmother, mother, sister, daughter (male).Grandfather, father, brother, son (female).Up to two years in prison if siblings or half-siblings.More than 10 years in prison for the ascending relative if the descending relative is under 15 years old, imprisonment if 15 but not 18 years old, and up to two years in prison if 18 years and older.Legal (for same-sex couples and if both over 18) / Blood relatives whose marriage is prohibited by respective lawįrom three months to three years in prison.Same-sex relations are always prohibited.Brother or half brother, sister or half-sister.Grandparent, parent, child or grandchild.Up to six years in prison (direct line).Blood relatives prohibited by religious lawįrom three months to five years in prison.Relationship by consanguinity or affinity in such a way that they cannot legally marry except otherwise provided in other laws.Nothing is mentioned about incest in BD laws but it is considered and punished as rape and sexual exploitation in most cases. Laws regarding incest between consenting adults Incest laws may also include prohibitions of unions between biologically unrelated individuals if there is a close legal relationship, such as adoption or step relations. Also, most laws make no provision for the rare case of marriage between double first cousins. In 24 states of the United States, cousin marriages are prohibited. Most laws regarding prohibited degree of kinship concern relations of r = 25% or higher, while most permit unions of individuals with r = 12.5% or lower.
Consanguinity (but not affinity) relationships may be summarized as follows: The degree of relationship is calculated by adding the number of generations back to a closest common ancestor of each individual. Laws regarding incest are sometimes expressed in terms of degrees of relationship. Main article: Coefficient of relationship 2 Laws regarding incest between consenting adults.