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Foreign will and mandate in a Belgian inheritance

The classic trap is thinking that a foreign will or power of attorney explains itself. In reality, the Belgian notary wants to know whether the instrument exists, who may produce it, under which law it must be assessed and whether it stays usable in the real sequence of the inheritance.
Official fees + translation if neededDepends on the notary, authority and country of originComplex
Last reviewed: 12 April 2026Editorial review: Equipe CertiDocsOfficial sources: 3
Illustration for the guide Foreign will and mandate in a Belgian inheritance with official documents for Belgium
Illustration for the guide Foreign will and mandate in a Belgian inheritance with official documents for Belgium

Overview

What this guide helps you sort out

The classic trap is thinking that a foreign will or power of attorney explains itself. In reality, the Belgian notary wants to know whether the instrument exists, who may produce it, under which law it must be assessed and whether it stays usable in the real sequence of the inheritance.

Steps

4

Documents

5

Official sources

3

What frames this file straight away

Before you even follow the procedure step by step, these are usually the axes that matter.

Related documents

Power of attorney, Death certificate, Marriage certificate, Birth certificate, Court judgment

Common translations

English-French, Spanish-French, Italian-French, Portuguese-French, German-French

Related cities

Brussels, Liège, Antwerp

What the authority will really test here

In this kind of file, the blockage usually comes from proof, sequencing and consistency, not polished wording.

Records that need to line up

This procedure is usually read through Power of attorney, Death certificate, Marriage certificate. Names, dates and references need to stay aligned from one record to the next.

Which official reading matters

Brussels, Liège will compare the source record with English-French, Spanish-French and wants the issuing authority, date and registry references to be easy to spot.

Order of formalities

The 3 official sources mainly help keep the sequence sharp: recent record first, any apostille or legalisation next, then the right filing step.

How to build this file more intelligently

Before you order anything or file the case, these are the three small choices that usually make the difference.

What needs to be stable first

Lock down Power of attorney, Death certificate, Marriage certificate first, then recheck names, dates and references across the surrounding records.

The order that avoids duplicate work

Correct source version first, then any apostille or legalisation, only then the sworn translation and the filing step.

What almost everyone forgets

English-French, Spanish-French and the annexes around Power of attorney, Death certificate, Marriage certificate are often exactly what Brussels, Liège needs to reread the file without doubt.

How do you know whether a will exists?

The first useful reflex is not to debate the distribution but to identify whether a will exists and where it can be retrieved. The e-Justice portal and the Spanish consular guidance both stress the importance of registry searches and formal retrieval before moving on.

What is a mandate or power worth in this context?

A mandate or power can be useful for certain preparatory steps, representation or protection, but it does not replace reading the will, proving heirship or the notary's analysis. Mix up those layers and the inheritance goes off the rails.

Which order keeps the file under control?

First secure the death certificate and the will search, then assemble the family and representation records, verify the international authentication of foreign instruments, and only then translate the documents the Belgian notary actually needs to read. Beautifully translating the wrong document still leaves you with the wrong document.

Documents to prepare

  • Death certificate and identity records of the people acting in the inheritance
  • Foreign will, proof of deposit or information allowing a search in the competent register
  • Mandate, power of attorney or representation document still relevant for the contemplated steps
  • Family records useful to identify heirs, spouse or legal cohabitant
  • Apostille or legalisation and then sworn translations of the foreign instruments the notary will need to use

Steps to follow

1

Open the will track

Check whether a will exists and which authority or registry allows it to be retrieved.

2

Qualify the powers

Distinguish what comes from the will, heirship, a mandate or merely a one-off representation.

3

Authenticate and then translate

Handle apostille or legalisation of foreign instruments before the sworn translation of the records useful to the notary.

4

Deliver a readable file

Give the Belgian notary a clean chronology linking the death, the will, the heirs and any powers of representation.

Good to know

Search for the will first, debate later

The e-Justice portal reminds us that in Belgium authentic wills, international wills and holographic wills deposited with a notary are recorded in the central wills register. Before spinning a brilliant inheritance theory, first check whether there is an instrument to retrieve.

A mandate does not replace the rest

FPS Justice clearly distinguishes an extra-judicial protection mandate from the succession itself. A power useful in the preparatory phase or for certain formalities does not replace the will, the status of heir or the notary's review.

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Internal routes

Jump straight to the next useful page

Not every internal link deserves oxygen. These are the document, language, city and cluster pages that genuinely extend this file.

Full cluster

Succession and foreign records

Death abroad, powers of attorney, wills, undivided property and assets in several countries.

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Frequently asked questions

+Is a foreign will automatically valid in Belgium?
Not automatically, but the e-Justice portal reminds us it may be valid if it complies for example with the law of the place where it was made or another law accepted by the applicable rules.
+Do I need to search a registry first?
Yes, often. Before arguing over shares, you need to know whether a will exists and where it is kept.
+Is a power of attorney enough to settle the whole inheritance?
No. A power can help with certain steps, but it does not replace the will, the status of heir or the notary's control.
+When should the foreign will be translated?
After confirming that it is the relevant instrument and after dealing with international authentication where needed.
+Why does a Belgian notary also want family records?
Because a will alone is not enough: the heirs, spouse or legal cohabitant and the applicable succession framework still need to be correctly identified.

Official sources

The links below provide the official baseline. They help verify the procedure but do not replace file-specific analysis or the decision of the competent authority.

Guides

Stay inside the same case family

This guide belongs to a stronger cluster. If this page touches your file, these usually do too. Succession and foreign records.

Guides

Next files that usually travel together

Same records, same languages or the same administrative friction. These are the logical next clicks, not random filler.