Adelphogamy

A form of marriage between siblings

Adelphogamy is a form of marriage in which siblings are married to each other. This practice has been observed in various cultures throughout history, often for reasons related to the consolidation of wealth, power, or social status. Adelphogamy is distinct from other forms of consanguinity and endogamy, as it specifically involves the union of brothers and sisters.

Historical Context

Adelphogamy has been documented in several ancient societies, including Ancient Egypt, where royal siblings often married to preserve the purity of the royal bloodline. This practice was also noted among the Incas and in some Hawaiian royal families. In these cultures, adelphogamy was not only a means of maintaining dynastic continuity but also a way to reinforce the divine status of the ruling class.

Amnon and Tamar by an unknown artist, oil on canvas, ca. 1650-1700, High Museum of Art

Cultural Significance

In societies where adelphogamy was practiced, it often carried significant cultural and religious implications. For instance, in Ancient Egypt, the pharaoh was considered a god, and marrying a sibling was seen as a way to maintain the divine nature of the royal family. Similarly, in Hawaiian culture, the union of siblings was believed to produce offspring with greater mana, or spiritual power.

Biological and Social Implications

While adelphogamy served certain social and political functions, it also posed biological risks due to the increased likelihood of genetic disorders resulting from close inbreeding. Over time, many societies that practiced adelphogamy either abandoned the practice or imposed restrictions to mitigate these risks.

Modern Perspectives

Today, adelphogamy is largely prohibited by law in most countries due to the ethical, social, and biological concerns associated with sibling marriage. Modern legal systems typically classify such unions as incest, which is illegal in many jurisdictions. The shift away from adelphogamy reflects broader changes in societal norms and an increased understanding of genetics.

Related Pages

• Incest
• Endogamy
• Consanguinity
• Royal intermarriage