Definition
Relative powers are powers that attach to or operate upon land — that is, they are connected to a specific parcel of real property and exist in relationship to that land rather than independently of it. The term is used primarily in the law of powers of appointment and the older common law of estates to distinguish powers whose exercise necessarily involves or affects real property from powers that are purely personal or collateral in character.
A power is "relative" when its existence, exercise, and effect are tied to a defined estate or parcel. The land is not merely background context; it is the subject matter of the power itself. The classic examples arise in conveyancing: a grantor who reserves a power to revoke or modify a conveyance, or a life tenant granted authority to lease or sell the fee, holds a relative power because the power is anchored to that estate.
Common Confusion
RELATIVE POWERS vs. COLLATERAL POWERS: The distinction is definitional, not merely descriptive. A collateral power is held by a person who has no estate or interest in the land to which the power relates — the power is grafted onto the property from the outside, so to speak. A relative power, by contrast, is held by someone who has an estate in the land, and the power grows out of or is appended to that estate. Researchers who encounter "collateral power" in historical sources should not treat it as synonymous with "relative power"; the two are antonyms within this taxonomy.
RELATIVE POWERS vs. POWERS IN GROSS: A power in gross is personal to the donee and exercisable regardless of any interest in land. Relative powers require that land interest to give them their character.
Recognized Forms
/SUBTYPES
Older authorities, including the English equity writers from whom American treatise writers drew, recognized two varieties of relative powers:
1. Powers appendant — held by a person who has an estate of the same quality and duration as the estates that may be created under the power. The power is, in effect, part of the estate itself.
2. Powers appurtenant (sometimes called powers in gross of land) — held by a person with an interest in the land, but where the power may create estates of a broader or different character than the donee's own estate.
Both are relative in the sense that land is the subject. The distinction between them was important in early English doctrine on whether exercise of the power was subject to the rule against perpetuities and related restraints on alienation.
Why It Matters in Research
Researchers working in pre-twentieth-century property law, wills, or conveyancing materials will encounter "relative powers" as a term of art in a taxonomy that has largely dropped out of modern usage. Modern American property scholarship and the Restatement (Third) of Property (Wills and Other Donative Transfers) reorganize powers of appointment along different axes — general vs. nongeneral, presently exercisable vs. testamentary — without foregrounding the relative/collateral distinction. This creates a translation problem: a historical instrument, deed, or court opinion relying on the relative/collateral framework must be read in that older conceptual vocabulary, not mapped directly onto modern categories.
The Rapalje & Lawrence entry is particularly easy to misread. The dictionary combines two unrelated senses of "relative" in a single entry — relative powers (powers tied to land) and the procedural figure of a "relator" in English chancery informations. These are conceptually unrelated; the juxtaposition is a typographical artifact of alphabetical proximity, not an indication of legal connection. Researchers should not conflate the two.
In the Law Mind corpus, discussions of relative powers are most likely to appear in historical treatises on real property conveyancing, equity materials dealing with trusts and settlements, and older chancery opinions construing the terms of marriage settlements or family deeds. They are unlikely to appear in modern statutory materials or contemporary case law except in jurisdictions that have preserved archaic conveyancing vocabulary in their property codes.
Historical Dictionary Support
Both Black's and Rapalje & Lawrence offer essentially identical substantive definitions — powers that relate to land, distinguished from collateral powers — which reflects the stability of this term within the traditional property taxonomy. Neither source elaborates the internal subtypes (appendant vs. appurtenant), which must be sourced from the equity treatise tradition, particularly Sugden on Powers and the American adaptations by Kent and Story's contemporaries.
What the historical dictionaries miss is the doctrinal significance of the distinction. The relative/collateral taxonomy was load-bearing in English doctrine because it determined, among other things, whether a power merged with or survived the estate, and how the power interacted with the rule against perpetuities. The dictionary entries capture the label without the weight it carried.
Jurisdictional Note
The relative/collateral power taxonomy is primarily an English common law and equity inheritance. American courts applied it throughout the nineteenth century in states following English conveyancing practice, but its practical importance declined sharply with the Uniform Disposition of Community Property Act and the gradual adoption of the Uniform Powers of Attorney Act and Restatement frameworks. Researchers in Louisiana, which follows civil law, will not find this taxonomy operative.
Encyclopedia Cross-Reference
The Law Mind Trusts, Estates & Probate Encyclopedia: Intestate Rights of Parents, Siblings, and Collateral Relatives (estates_4) — for context on how "collateral" functions as a term of art in property and succession law adjacent to this taxonomy.