Back قرابة العصب Arabic সগোত্ৰতা Assamese Кръвни връзки Bulgarian Consanguinitat Catalan Pokrevní příbuzenství Czech Blutsverwandtschaft German Συγγένεια εξ αίματος Greek Consanguinidad Spanish Odolkidetasun Basque همخونی Persian
Consanguinity (from Latin consanguinitas 'blood relationship') is the characteristic of having a kinship with a relative who is descended from a common ancestor.
Many jurisdictions have laws prohibiting people who are related by blood from marrying or having sexual relations with each other. The degree of consanguinity that gives rise to this prohibition varies from place to place.[2] Such rules are also used to determine heirs of an estate according to statutes that govern intestate succession, which also vary from jurisdiction to jurisdiction.[3] In some communities and time periods, cousin marriage is allowed or even encouraged; in others, it is taboo, and considered to be incest.
The degree of relative consanguinity can be illustrated with a consanguinity table in which each level of lineal consanguinity (generation or meiosis) appears as a row, and individuals with a collaterally consanguineous relationship share the same row.[4] The Knot System is a numerical notation that describes consanguinity using the Ahnentafel numbers of shared ancestors.[5]
- ^ "19 Texas Administrative Code §100.1113". texreg.sos.state.tx.us. State of Texas. Retrieved 5 May 2022. Many other US states have the same definition.
- ^ O'Sullivan, Kathryn (2019). "Access to marriage: consanguinity and affinity prohibitions in national and international context". Irish Journal of Family Law. 22 (2): 8–12.
- ^ Ritchie, Herbert (1940). "Methods of Intestate Succession". University of Cincinnati Law Review. 14: 508.
- ^ "Table of Consanguinity". Sleepy Hollow Cemetery.
- ^ Højrup, Knud (June 1996). "The Knot System: A Numeric Notation of Relationship". National Genealogical Society Quarterly. 84 (2): 115. ISSN 0027-934X.
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