Adoption

Lore & Background

Adoption practices in antiquity emphasized the political and economic interests of the adopter, as seen in ancient Rome where many emperors were adopted sons. The Code of Hammurabi details the rights of adopters and responsibilities of adopted individuals. Infant adoption during Antiquity appears rare; abandoned children were often taken for slavery. Other ancient civilizations, notably India and China, used adoption to ensure continuity of cultural and religious practices, such as ancestor worship. In Polynesia, including Hawaii, the custom of adopting children of family and friends was known as hānai.

Reader's Guide

After the decline of the Roman Empire, European nobility denounced adoption, as bloodlines were paramount. English common law did not permit adoption, and France's Napoleonic Code made it difficult. Some adoptions continued informally through contracts. The Church introduced oblation, dedicating children to monastic life, creating the first system in European history where abandoned children did not have legal, social, or moral disadvantages. This led to foundling hospitals and orphanages.

Did You Know?

• Adrogation was a Roman adoption in which the person adopted consented to be adopted by another.
• In medieval Europe, oblation created the first system where abandoned children did not have legal, social, or moral disadvantages.
• The Orphan Train movement was one of the largest migrations of children in history.

Theoretical Foundations and the Anthropological Turn

Fictive kinship is a label employed by anthropologists and ethnographers for social bonds that rest on neither blood ties, marriage connections, nor milk-based relationships, standing in deliberate contrast to what was historically termed true kinship. For much of the twentieth century the category was treated as a cross-culturally valid analytical tool, but that treatment presupposed the inverse—that kinship grounded in consanguinity and affinity was itself a universal human constant. That assumption unraveled in the mid-to-late twentieth century as the discipline deconstructed and revised its core categories. Scholars, including David M. Schneider, demonstrated that a blood-based foundation for kinship is not a universal feature of human societies but rather a culturally specific symbol found in particular contexts. In the revised framework, anthropologists now recognize that the relationships once lumped under the single heading of kinship may instead be built on shared residence, economic interdependence, nurture-based bonds, or the familiarity that accumulates through sustained daily interaction.

Legal Dimensions and the Sociology of Chosen Family

The concept of fictive kinship carries a legal dimension that traces back to anthropology's early entanglement with legal studies. In societies where kinship categories and social-tie definitions hold legal force—particularly in matters of inheritance—the term retains practical currency beyond the academy. A relationship classified as fictive kinship may nonetheless trigger the same legal obligations and entitlements as a blood- or marriage-based tie, depending on the jurisdiction. In the sociology of the family the same idea surfaces under the names chosen kin, fictive kin, or voluntary kin, defined as extended family members connected by neither blood nor marriage. The bonds sustaining such relationships can take the form of religious rituals, deep friendship, or reciprocal economic and social obligations. Godparents, adopted children, and close family friends are commonly cited examples. Researchers have applied the framework to analyze aging populations, foreign fighters, immigrant communities, and minority groups in modern societies, and some scholars argue that peer groups themselves can generate fictive kin networks.

Cultural Rituals and Institutionalized Bonds

Across diverse cultures, fictive kinship takes concrete, ritualized forms. In Central Mexico, compadrazgo—literally co-parenthood—describes the relational web linking a child, biological parents, and godparents. Scholars have hypothesized that this system evolved after the Spanish conquest of 1521 as a mechanism for managing social stress, and it persists in modern Mexican society, sustained through ongoing aid provided across a child's life, though godparents rarely supersede parents in importance. Among the Gurung people, the Rodi institution allows teenagers to forge fictive kinship bonds for socializing, communal labor, and finding marriage partners. In many societies, blood-brotherhood rituals declare two unrelated individuals to be brothers; the most famous English-language literary example is the blood-signed pact between Tom Sawyer and Huckleberry Finn in Mark Twain's 1876 novel. Genghis Khan was anda to his rival Jamukha, and sinologists have identified the Oath of the Peach Garden in the Romance of the Three Kingdoms as a parallel. In North America, college fraternities and sororities routinely address members as brother and sister, a practice echoed in monastic, Masonic, and Lodge organizations.

Survival Strategies in Marginalized and Modern Contexts

In contemporary settings, fictive kinship often emerges as a survival strategy among marginalized populations. Undocumented restaurant workers have been observed forming pseudo-families in which they cooperate in shared living and working arrangements, creating support systems that would otherwise be unavailable to people living far from home; however, these ties are fictive in a strict sense and carry no deeper personal weight for the participants. Jenny White's ethnographic work on female migrant workers in Istanbul highlights how women are drawn together through webs of indebtedness rooted in production, referring to one another as kin even though these relationships are less frequent than natural family bonds and serve purposes that neither replicate nor exclude a biological family. In Israel, hospital committees evaluating organ transplants have uncovered cases where individuals pay strangers for donations but must fabricate a familial relationship to satisfy the committee's requirements. These examples illustrate how fictive kinship functions as a practical, sometimes improvised, social technology in contexts where formal institutions offer limited protection.