Definition
A Latin term used in historical common law to describe persons related through both parents — that is, persons of the whole blood. A sibling is *juncti* with another when both share the same father and the same mother. The term contrasts with half-blood relationships, where kinship exists through only one parent.
The term appears primarily in older texts on descent, inheritance, and consanguinity, where the degree and quality of blood relationship determined rights to succeed to property or to inherit under intestacy rules.
Why It Matters in Research
Researchers working in historical property law, intestacy, or descent and distribution will encounter *juncti* in treatises and case law predating modern statutory reforms. Its significance lies in the distinction between whole-blood and half-blood kindred, a distinction that carried real legal weight in English common law inheritance: whole-blood relatives were generally preferred over half-blood relatives in the line of descent. That preference has been abolished or significantly curtailed in most modern jurisdictions by statute, so the term rarely appears in contemporary materials.
The primary trap for corpus researchers is encountering *juncti* in a passage about inheritance and misreading it as a general term for "joined" or "connected" — a reasonable guess given its Latin root — rather than recognizing it as a technical term of consanguinity. Context involving heirs, descent, or blood relations is the signal that this specific meaning is operative.
Because the term is drawn almost exclusively from treatise literature rather than case law, researchers should expect to find it in works like Hale's *History of the Common Law* and commentaries on intestate succession, rather than in reported opinions.
Historical Dictionary Support
Black's Law Dictionary and Burrill's Law Dictionary are in close agreement, offering nearly identical definitions: both identify *juncti* as a Latin-derived term meaning "related on the side of both parents; of the whole blood," and both cite the same authority — Hale's *History of the Common Law*, chapter eleven. The convergence of definitions and sources confirms that the term was drawn directly from a single foundational text rather than developed across a broad body of case law.
Neither dictionary contextualizes how this term fits within the broader structure of common law inheritance rules or explains why the whole-blood/half-blood distinction mattered practically. Researchers should supplement these entries with Hale's original text and with commentary on the law of descent to understand the functional stakes of the distinction.
Jurisdictional Note
The whole-blood/half-blood distinction underlying *juncti* was a feature of English common law that carried into early American law. Most U.S. jurisdictions have since abolished or narrowed the distinction by statute, treating half-blood relatives equally with whole-blood relatives in intestate succession. The term itself is unlikely to appear in modern statutes or judicial opinions.