Avunculate marriage

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An avunculate marriage is a marriage between an uncle and a niece or between an aunt and a nephew. It may refer to a marriage between biological relatives (consanguinity) or people related by marriage (affinity). In some countries, avunculate marriages are prohibited by law, while in others marriages between biological relatives of this kind are both legal and common, though far less common today.

If the partners in an avunculate marriage are biologically related, they normally have the same genetic relationship as half-siblings, or a grandparent and grandchild – that is they share approximately 25% of their genetic material. (They are therefore more closely related than partners in a marriage between first cousins, in which on average the members share 12.5% of inherited genetic material, but less than that of a marriage between, for instance, cousin-siblings, in which the partners share 37.5% of their inherited genetic material.)

Avunculate marriage is permitted in Argentina, Australia,[1] Canada, Finland,[2] Malaysia,[3] The Netherlands,[4] and Russia.[5] It is not permitted in New Zealand,[6] England and Wales .


Avunculate marriage was the preferred type of union in some pre-modern societies. This has remained the case amongst, for instance the Awá-Guajá people of the eastern Amazon Basin.[7]

Marriages between such close relatives were frequent in Ancient Egypt, at least among members of ruling dynasties.

In societies adhering to Jewish or Christian faiths, such marriages were sometimes allowed. The Talmud endorsed marriages between uncles and nieces; although some early Jewish religious communities, such as the Sadducees, believed that such unions were prohibited by the Torah.[8] Amongst medieval and especially early modern Christians, a marriage between a woman and the sibling of a parent was not always interpreted as violating Leviticus 18; this was especially so amongst the royal houses of Europe and, in Catholic countries, a papal dispensation could be obtained to allow such a marriage.

Such marriages have traditionally been illegal in Islamic societies and are regarded as prohibited by Islam.[citation needed]

List of historical or mythical avunculate marriages[edit]

See also[edit]


  1. ^ "Marriage Act 1961, s 23B".
  2. ^ Pikkanen, Antti (24 July 2014). "Lapsena alttarille – Jenna Karjalainen meni naimisiin alaikäisenä". Nyt.fi. Helsingin Sanomat. Retrieved 26 July 2015. [Oikeusm]inisteriö käsittelee myös muita avioliittoon liittyviä poikkeuslupia. Lupaa voi anoa, jos esimerkiksi haluaa mennä naimisiin sisarensa lapsen kanssa. Mutta sellaisia hakemuksia tulee hyvin harvoin, 2000-luvulla pari kolme.
  3. ^ Law Reform (Marriage and Divorce) Act 1976 Archived March 7, 2012, at the Wayback Machine (for Hindus only)
  4. ^ [1]
  5. ^ The Family Code of the Russian Federation, Article 14 (in Russian)
  6. ^ "Schedule 2: Forbidden marriages -- Marriage Act 1955 (as of 25 February 2012) -- New Zealand Legislation". Parliamentary Counsel Office. 25 February 2012. Retrieved 28 October 2012. A man/woman may not marry his/her–... (4) father's sister/brother; (5) mother's sister/brother; ... (19) brother's daughter/son; (20) sister's daughter/son
  7. ^ Loretta A. Cormier, Kinship with monkeys: the Guajá foragers of eastern Amazonia, Columbia University Press, 2003, ISBN 978-0-231-12524-6, p. 60.
  8. ^ Avunculate Marriage in the Bible
  9. ^ Sparta Revisited - Spartan Leodnidas I and Gorgo
  10. ^ Durant, Will; Ariel Durant (1965). The Age of Voltaire: a History of Civilization in Western Europe from 1715 to 1756, with Special Emphasis on the Conflict between Religion and Philosophy. The Story of Civilization: Part IX. New York: Simon and Schuster. pp. 391–93.
  11. ^ See the Polish Wikipedia article on "Henryk Sienkiewicz."[circular reference]
  12. ^ The Hitler Family Tree
  13. ^ Family tree of Adolf Hitler
  14. ^ * Shirer, William L. (1960). The Rise and Fall of the Third Reich. New York: Simon & Schuster. ISBN 978-0-671-62420-0.