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Left something that was not theirs: valid if the testator knew, and proving it is on you

Last reviewed: September 12, 2026VerifiedPoder Judicial

In short

Four articles deal with the case where the legated thing is not cleanly the testator’s. Article 1693 starts with another’s property: the legacy of another’s good is valid if the testator, when legating it, knows it is not theirs, and then the heir is obliged to acquire the good to deliver it to you; if that is not possible, they must give you its fair estimation. So far so good. But the same article adds the sentence that decides real cases: the proof that the testator knew the good was another’s falls on the legatee. Whoever must show what a person who has already died was thinking is precisely the one who benefits from it. And if the testator was unaware the good was another’s, the legacy is null, unless they acquire it after executing the will, in which case it holds. Article 1694 deals with the reverse case, the thing that was already yours: a legacy of goods belonging to the legatee when the will is made produces no effect, even if later alienated. If you acquired it by onerous title after that date, you may ask the heir for what you paid to acquire it. Its third paragraph saves the legacy when the testator expressly provides that the good be freed of that right or encumbrance; the phrase “that right or encumbrance” has no clear antecedent in the two preceding paragraphs, which speak of ownership rather than charges, and it is reproduced and flagged here without being resolved. Article 1695 moves the most money: when the testator legates a good given in guarantee of an exigible debt, the legatee will be the one to pay it, unless the testator provided that the heir free them. The debt travels with the thing by default. And Article 1696 closes: if the thing is subject to the enjoyment of some real right of use, you will respect that right until it is legally extinguished.

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What is it?

They are Articles 1693, 1694, 1695 and 1696 of the Civil Code of 2020: what happens when a will legates another’s good, one already the legatee’s, a mortgaged or pledged one, or one burdened with a real right of use.

Who can do it?

Any legatee whose legated thing was not cleanly the testator’s, and any heir obliged to deliver it.

Requirements

Documents you need

Cost

Check the current cost with the official agency.

Step by step

  1. Step 1: If the thing belonged to someone else

    Article 1693: the legacy holds if the testator knew, when legating it, that it was not theirs.

  2. Step 2: Then the heir buys it

    The same article obliges them to acquire the good to deliver it; if not possible, to give you its fair estimation.

  3. Step 3: But proving they knew is on you

    The sentence is literal: the proof that the testator knew the good was another’s falls on the legatee.

  4. Step 4: If they were unaware, null

    Unless the testator acquires the good after executing the will: then the legacy is valid.

  5. Step 5: If the thing was already yours

    Article 1694: it produces no effect, even if you later alienated it.

  6. Step 6: Unless you bought it later

    If you acquired it by onerous title after the will’s date, you may ask the heir for what you paid for it.

  7. Step 7: If it is mortgaged, you pay

    Article 1695: for a good given in guarantee of an exigible debt, the legatee is the one to pay it.

  8. Step 8: Unless the testator said otherwise

    The same article excepts the case where they provided that the heir free the legatee of the obligation.

  9. Step 9: And if someone is enjoying it

    Article 1696: you will respect that real right of use until it is legally extinguished.

Where to do it

These articles describe no procedure before any agency. The Code does not say here what a “fair estimation” is or who fixes it, what makes acquiring the good “not possible”, how the testator’s knowledge is proved, or what the “right or encumbrance” of Article 1694’s third paragraph refers to. None of those gaps is filled here.

How long it takes

Check the current processing time with the official agency.

What to do if something goes wrong

If you were left something that turned out not to be the deceased’s, Article 1693 does not strike it down outright: it holds if the testator knew the good was another’s, and then the heir must buy it to give it to you or, if that is not possible, pay you its fair estimation. The difficulty is in the next sentence, worth knowing before you start: proving the testator knew is on you. If they did not know, the legacy is null, with one way out: that they themselves acquired the good after signing the will. If the case is the reverse — you were left something already yours — Article 1694 says it produces no effect; and if you bought it after the will’s date, you may claim from the heir what you paid to acquire it. Mind the debt: Article 1695 leaves the exigible debt secured by the legated thing to the legatee, unless the testator provided that the heir free them. That is, the house comes with the mortgage unless the will says otherwise, and that is worth checking before accepting. And if a usufruct, use or habitation burdens the thing, Article 1696 makes you respect it until it is legally extinguished: you receive title, not immediate enjoyment. MiPRFácil does not represent anyone in court and gives no legal advice.

Common mistakes

  • Treating a legacy of another’s good as void: Article 1693 saves it if the testator knew.
  • Expecting the heir to prove what the testator knew: the article places that proof on the legatee.
  • Discarding the legacy when the testator was unaware: if they acquired the good after making the will, it holds.
  • Claiming a thing already yours when the will was made: Article 1694 says it produces no effect.
  • Forgetting Article 1694’s way out: if you bought it later, you may ask for what you paid.
  • Accepting a legated property without checking for a mortgage: Article 1695 leaves that debt to the legatee.
  • Assuming the heir clears the mortgage by default: only if the testator so provided.
  • Believing you get immediate enjoyment: Article 1696 requires respecting the real right of use.

Frequently asked questions

Is a legacy of something that was not the deceased’s valid?

Article 1693 says yes, if the testator knew when legating it that it was not theirs; and then the heir must acquire it or pay its fair estimation.

Who proves the testator knew?

The legatee. Article 1693 says so in those words: the proof falls on the legatee.

I was left a mortgaged property. Who pays?

Article 1695 places the exigible debt on the legatee, unless the testator provided that the heir free them.

There is a usufruct on the thing. May I use it now?

Article 1696 says the legatee will respect that real right of use until it is legally extinguished.

Official sources

These are the government pages this guide is based on.

Last verified

September 12, 2026

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