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The language of the law. Part Latin, part Anglo-Saxon, all confusing.

Emeric v. Alvarado

Emeric v. Alvarado

Whenever there’s a moiety (or, for that matter, any joint or common ownership) of land, there’s also a good chance that there will someday be an action for partition. That’s because a moiety in real estate creates a right to roughly equal shares, and joint and common ownership gives all owners some rights to the land, but none of these ownership forms answers the question of who, ultimately, gets what part of the land.

And that, in a nutshell, is what partition does. (And yeah, like much else in the law, it has other names: try actio communi dividundo1 on for size. Legal Latin also has a specific term for an action for partition based on an inheritance: actio familiae erciscundae.2 A writ of partition is sometimes called a de partitione facienda.3)

The definition of partition is, simply, the division of lands held jointly or in common by multiple owners into distinct portions, so that each takes sole ownership of a separate part.4 Usually, the party who wanted the land divided would file an action for partition. If the court granted it, it would issue a judgment, called a judgment quod partitio fiat,5 ordering the partition to occur. The actual division — deciding who gets what — was often done by a group appointed just for that purpose, called a commission of partition.6 In older records, those folks might be referred to as extensores.7 If the proposed division was accepted and approved by the court, one or more deeds of partition8 would be entered, giving each landowner single title to his or her part of the land.

For a GREAT example of partition, the California Supreme Court case of Emeric v. Alvarado, 64 Cal. 659, 2 P. 418 (Cal. 1884),9 is a wonderful read. It’s a decision on an action to partition a ranch of nearly 18,000 acres known as San Pablo in Contra Costa County. The opinion itself is an amazing history lesson: all about land grants in early California (the family patriarch, Francisco Maria Castro, applied for his grant in April 1823) and all about how land inheritance worked under the Mexican and Spanish laws in effect at the time.

Even better if you’re a descendant of Francisco Maria Castro or researching any part of his family, the opinion names his wife (maiden name included), all 11 of their children, the spouses of three daughters, six grandchildren (and the spouse of one granddaughter), and two great granddaughters (and the surnames of their spouses). And it gives the full names of 31 minors, with six surnames, with interests in the estate based on their ancestors for more research.

And you thought court records were dull…


  1. Henry Campbell Black, A Dictionary of Law (St. Paul, Minn. : West, 1891), 23, “actio communi dividundo.”
  2. Ibid., 24, “actio familiae erciscundae.”
  3. Ibid., 330, “de partitione facienda.”
  4. Ibid., 873, “partition.”
  5. See ibid., 655, “judgment,” subentry for “judgment quod partitio fiat.”
  6. Ibid., 24, “commission of partition.”
  7. Ibid., 464, “extensores.”
  8. Ibid., 873, “partition, deed of.”
  9. Court case citations are to the volume of a reporter and then to a page. So 64 Cal. 659 is to page 659 of volume 64 of the official California Reports, the official reporter for California Supreme Court cases. The second reporter cited (2 P. 418) is an unofficial regional reporter (volume 2 of the Pacific Reporter, published by West), and it’s available for free online at Google Books.
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