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Family reunification with a Belgian

To join a Belgian in Belgium, you must first identify the correct regime and then build a file with proof of the family link, official civil-status records and any required sworn translations. The filing date matters: the rules changed for applications introduced from 18 August 2025.
Official fees + translation if neededVaries by authorityComplex
Last reviewed: 29 March 2026Editorial review: Equipe CertiDocsOfficial sources: 3
Illustration for the guide Family reunification with a Belgian with official documents for Belgium
Illustration for the guide Family reunification with a Belgian with official documents for Belgium

Overview

What this guide helps you sort out

To join a Belgian in Belgium, you must first identify the correct regime and then build a file with proof of the family link, official civil-status records and any required sworn translations. The filing date matters: the rules changed for applications introduced from 18 August 2025.

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

Birth certificate, Marriage certificate, Criminal record extract, Residence permit, Employer certificate

Common translations

Arabic-French, Turkish-French, Russian-French, Romanian-French

Related cities

Brussels, Antwerp, Charleroi

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 Birth certificate, Marriage certificate, Criminal record extract. Names, dates and references need to stay aligned from one record to the next.

Which official reading matters

Brussels, Antwerp will compare the source record with Arabic-French, Turkish-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.

Which regime should you check first?

The starting point is not the translation but the legal basis of the file. Family reunification with a Belgian is not handled like reunification with an EU/EEA citizen. The relationship invoked, the sponsor's situation and the filing date determine which documents are needed and which authority is competent.

Which documents are almost always required?

In almost every case you need an identity document, an official record proving the family link and, depending on the case, documents relating to residence, resources, housing or insurance of the sponsor. If the records come from abroad, check the required authentication first and then the sworn translation into the language useful for the procedure.

Where is the file submitted?

The standard route is a D-visa application lodged abroad with the competent diplomatic or consular post. Some applications filed in Belgium follow a specific procedure that must be checked case by case with the Immigration Office and the competent municipality.

Documents to prepare

  • Valid passport or identity document of the applicant
  • Official record proving marriage, partnership or parentage
  • Documents linked to the invoked category and to the Belgian sponsor's situation
  • Apostille or legalisation if required for the country of origin
  • Sworn translation of documents that cannot be used directly by the competent authority

Steps to follow

1

Identify the category

First verify the invoked family category and the filing date of the application.

2

Collect the official records

Collect the civil-status records and the documents relating to the Belgian sponsor's situation.

3

Authenticate and then translate

Obtain any required apostille or legalisation first, then the sworn translation of the relevant documents.

4

File with the correct authority

Submit the complete file to the post or authority that is actually competent for your situation.

Good to know

Filing date determines the rules

Before preparing the file, check whether your application falls under the rules in force from 18 August 2025 or under transitional rules.

Official records come first

Start with recent, complete and consistent civil-status records. Additional evidence does not automatically replace an available official record.

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Frequently asked questions

+Can the file always be submitted from Belgium?
No. The standard route is a D visa lodged abroad. Applications filed in Belgium do exist, but they depend on a specific situation and must be checked case by case.
+Which records usually need translation?
Civil-status records, judgments or certificates that cannot be used directly by the competent authority usually need a sworn translation in practice.
+What if I do not have an official record?
The authority starts from the official record. If obtaining it is impossible or not reasonably feasible, other evidence may be examined depending on the case.
+Do the rules of 18 August 2025 apply to my file?
They apply to applications introduced from that date. If your situation sits around that period, check the transitional regime before filing.
+Does an apostille replace the translation?
No. An apostille or legalisation authenticates the document; it does not replace a sworn translation when the authority needs a readable version.

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.

Practical guides

Diploma equivalence in BelgiumExchange a foreign driving licence in BelgiumDocuments for family reunification in BelgiumFamily reunification with an EU/EEA citizenFamily reunification after international protectionProving kinship or partnershipFamily reunification Visa DBelgium student visa: documents and translationsBelgium single permit: documents and translationsFamily reunification with a foreign national in limited stayVisa D for marriage or legal cohabitation in BelgiumCriminal record for Belgian nationalityBelgian inheritance after a death abroadMinor child joining a student or worker parent in BelgiumBelgian nationality as the spouse of a BelgianForeign will and mandate in a Belgian inheritanceMinor child joining a Belgian parentBelgian nationality as the parent of a Belgian childInheritance with real estate in two countriesSponsor for a Belgium student visa (Annex 32)Recognition of a foreign adoption in BelgiumSale of undivided inheritance property in BelgiumRecognition of a child in Belgium with foreign recordsForeign heir and power of attorney in a Belgian inheritanceForeign marriage and then family reunification in BelgiumStudy in Belgium with a foreign diplomaWork in Belgium with a foreign diplomaResidence in Belgium after marriage or legal cohabitationSpouse or child of a foreign student or worker in BelgiumFamily reunification refusal in BelgiumRegulated profession in Belgium with a foreign diplomaWork as a nurse in Belgium with a foreign diplomaDiploma equivalence: FWB, NARIC Vlaanderen or German-speaking Community?Foreign diploma for a healthcare profession in BelgiumTranscription of a foreign birth certificate in BelgiumEU public documents: when an apostille is no longer requiredHow to verify a sworn translator in BelgiumWhen does a sworn translation need legalisation in Belgium?Transcribe a foreign marriage certificate in BelgiumDivorce granted in the EU: recognition in BelgiumDivorce granted outside the EU: recognition in BelgiumForeign death certificate: steps in BelgiumRemarry in Belgium after a foreign divorceForeign divorce with a child: custody, residence and parental responsibility in BelgiumUpdate Belgian civil status after a foreign divorceMaintenance after a foreign divorce in BelgiumBelgian naturalisation: documents and translationsApostille and legalisation of foreign documents in BelgiumRecognition of a foreign marriage in BelgiumExequatur of a foreign judgment in Belgium