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Interpreting an unclear will in an inheritance dispute

Unclear wills are interpreted first. Section 553 ABGB separates wording, true intention and later challenge.

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22 July 2026 · Mag. Bernhard Brandauer, Rechtsanwalt · last updated 10 July 2026

An unclear phrase in a will raises three separate questions: what do the words mean, which intention is at least indicated in the document, and is there also a mistake or conflict with another testamentary document?

Section 553 ABGB provides the sequence. The ordinary meaning of the words is the starting point. A special meaning and the testator's true intention matter only where the wording of the disposition gives them at least an indication. This article explains how to prepare that focused review under Austrian law.

Classify your interpretation issue

Which question comes first?

The short assessment separates an ambiguous passage, conflicting documents and a possible mistake.

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01 Question 1

Is the wording unclear, contradictory or simply incomplete?

Separate the disputed passage, all other testamentary documents and the alleged intention before choosing a next step.

All paths at a glance

Overview of all answers.

01

Test the wording and any special usage

Mark the unclear passage and begin with the ordinary meaning of its words. If a special meaning is claimed, support it with the will, earlier statements or identifiable circumstances rather than with an assumption alone.

Focus: Inheritance dispute →
02

Map contradictions between documents

Place every will, codicil and supplement side by side with its date, form and complete wording. Then ask whether the later document regulates the same gift anew or merely adds to the earlier one. Do not hide a conflict by selecting only the document that favours one side.

Several wills and revocation →
03

Separate interpretation from mistake

A difficult sentence is first an interpretation issue. Section 570 ABGB concerns a substantial mistake about the person intended or the thing given. Record separately what the document says and which mistake is alleged.

Mistake in a will →

Ordinary meaning and a special use of words

Read the disputed passage first as the words would ordinarily be understood. A private meaning becomes relevant only if the testator recognisably used an expression in a different sense.

A useful review compares the exact passage, the special meaning claimed by a party and the circumstances said to support that reading. A general recollection of family conversations does not by itself replace the required textual connection.

True intention must be anchored in the document

Section 553 ABGB directs attention to the testator's true intention. Interpretation cannot, however, detach that intention entirely from the document: the wording must at least indicate it. The question is therefore not only what the testator probably meant, but whether the disposition gives that meaning a linguistic starting point.

The interpretation should allow the intended result and preserve the testamentary disposition at least in part. A single unclear gift may therefore be clarified without unnecessarily extending the dispute to provisions that are already clear.

Several wills and contradictory passages

When a will, codicil or later supplement exists, every document belongs in the comparison. Check its date, form, complete wording and whether the later statement changes the same gift or addresses a different point.

Make a table of the differing passages and the result each party draws from them. This shows whether there is a true contradiction or whether both provisions can operate together. The shortcut that the last will always decides is not a substitute for that analysis.

Interpretation and substantial mistake are different issues

A difficult expression does not by itself establish that the testator made a substantial mistake. Under section 570 ABGB, the issue may arise in particular where the person intended or the thing given was mistaken.

Separate the meaning of the disposition from the alleged misconception. Record the person or thing concerned, the relevant document and the evidence for the alleged mistake before drawing conclusions about a possible challenge.

Practical point: Mark each unclear passage in the original wording, compare all relevant documents and keep interpretation, contradiction and mistake separate. That structure reveals the dispute that actually needs to be resolved.
Frequently asked questions

Interpreting an unclear will in an inheritance dispute

Can the family simply add its own meaning to an unclear phrase? +
No. The ordinary meaning comes first. A special usage and the testator's true intention must at least be indicated in the wording. Family recollections can be a point for review, but they do not freely complete the will.
What should be checked when two wills contradict each other? +
Secure both documents in full and compare date, form, gift and subject matter. Only then can it be assessed whether the later disposition revokes, replaces or supplements the earlier one.
When is the issue more than interpretation? +
If a specific misconception about the intended person or the thing given is alleged, section 570 ABGB may also be relevant. The mistake issue must be examined separately from the meaning of the words.
Topics
WillInterpretationInheritance disputeTestamentary disposition

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