9 Nov 2026 International family law: which court has jurisdiction and which law applies?

International family law disputes can be legally complex. This is certainly the case in a border region such as Limburg, where living, working and family life often span several countries. Consider, for example, parents of different nationalities or parents living in different countries; a minor child moving abroad with one of their parents; married expats living in the Netherlands who wish to divorce; or a foreign court judgement that needs to be amended.

When a family law dispute has international aspects, it is not always clear which court has jurisdiction or which national law should be applied. For example, a Dutch court may have jurisdiction to rule on a dispute, whilst at the same time having to apply foreign law. Nor is there always the freedom to choose in which country proceedings are initiated.

The applicable rules can vary considerably from country to country and thus have significant legal and financial consequences. It is therefore important to carefully determine in advance which court has jurisdiction, which law applies and what options the parties involved have.

In a recent judgment by the Limburg District Court dated 15 October 2026 (ECLI:NL:RBLIM:2026:11503) , the central question was whether a Dutch court was permitted to reassess child maintenance orders made by a German court in accordance with Dutch standards.

What were the facts of this case?

A minor child was living with his father in Germany. A German court ruled that the child would live with his mother in the Netherlands from July 2024, established a care arrangement between the father and the child, and set the child maintenance at €577.93.

In 2025, the father initiated proceedings in the Netherlands to reduce the child maintenance set by the German court to €61.00 with effect from December 2024.

In support of his application, the father argued, amongst other things, that the German judgment had failed to meet the legal requirements from the outset, because the German court did not have jurisdiction to rule on this case, the German court had not taken sufficient account of the care arrangements in place between the father and the child; and that the mother had entered into a registered partnership in 2024, as a result of which her partner had also become liable for the child’s maintenance. In the Netherlands, this latter development constitutes a change in circumstances that justifies a review of the amount of child maintenance.

How will the court rule in this case?

Which court has jurisdiction and which law should be applied?

As the child now resides in the Netherlands, the father must, in accordance with the rules of private international law, apply to the Dutch court for a variation. For the same reason, Dutch law must be applied in this case.

As the father had argued that the German court did not have jurisdiction to make a decision in 2024, the Dutch court must first rule on this point. The court found that the German court did have jurisdiction to rule on the determination of child maintenance in 2024 and that, in doing so, it was also required to apply German law. The father was resident in Germany and, under the applicable private international law, the mother was entitled to submit her application to the German court. The Dutch court saw no grounds – as the father had claimed – for concluding that the mother had abused her procedural rights by initiating proceedings in Germany.

This means that in 2024, the German court had jurisdiction to make a decision on child maintenance based on the German criteria in force at that time.

The Dutch court must then determine whether there has been a change in circumstances that is relevant under the legal system on which the original decision was based. This is therefore German law. Only if this is the case will a fresh assessment be made as to whether the amount of child maintenance should be adjusted in accordance with Dutch law.

Under German law, the changed circumstances cited by the father (a change in the care arrangement and the presence of a stepfather) do not give rise to an adjustment. Under German law, these facts are not relevant to the determination of the amount of child maintenance. As there is no relevant change under German law, the Dutch court does not need to recalculate the child maintenance.

It was in the father’s interest for the German judgment of 2024 to be amended in accordance with Dutch law. The fact that the mother has entered into a registered partnership and that her partner has also become liable for maintenance of the minor child is a fact that is not relevant under German law. Nor is the care arrangement established between the person liable for maintenance and the child of any significance in Germany. In the Netherlands, however, this does constitute grounds for a variation, as there are now no longer two persons (father and mother) liable for maintenance, but three (father, mother and stepfather).

Recommendations

Have international jurisdiction assessed in advance

Initiating proceedings in the wrong country can result in unnecessary time and costs. In family law proceedings with international aspects, it is important to establish in advance:

  • which court has jurisdiction?;
  • which law must and/or can be applied?;
  • what financial consequences do the answers to the above questions have for your case?
    .

Do not focus solely on Dutch law

Where a foreign court has previously made a decision in a maintenance case, it is not automatically the case that Dutch law will be applied by a Dutch court. You should therefore first investigate which law applied to the ruling at the time and what criteria were used in that context. A change that is significant under Dutch law may not be so in another country.

Do not expect more favourable Dutch rules to be applied automatically

This ruling shows that a Dutch court is reluctant to overturn foreign maintenance decisions. The court makes it clear that a party cannot simply switch from the German to the Dutch method of calculation merely because the outcome would be more favourable.

Conclusion

This judgment shows that, in international maintenance cases, consideration is given not only to the child’s current place of residence, but also to the legal principles on which a previous foreign decision is based.

It is therefore important in such cases to thoroughly investigate in advance which court has jurisdiction, which law should be applied, and which facts and circumstances are relevant to the situation. For this reason, it is advisable to seek legal advice from a solicitor specialising in family law when dealing with international family law proceedings.

At SPEE Advocaten & Mediation, we have extensive experience in international family law. We support clients in Maastricht and beyond with expert and dedicated advice. If you have any questions about proceedings with international aspects or would like to know what this ruling might mean for your situation, please do not hesitate to contact us.

Patty M.J. Wetzels, LL.B., lawyer

SPEE advocaten & mediation Maastricht