Case C-607/21, État belge (Proof of the relationship of dependency): Judgment of the Court (First Chamber) of 10 April 2025 (request for a preliminary ruling from the Conseil d’État – Belgium) – XXX v État belge (Reference for a preliminary ruling – Citizenship of the Union – Directive 2004/38/EC – Right of citizens of the Union and their family members to move and reside freely within the territory of the Member States – Article 3 – Beneficiaries – Article 2(2)(d) – Family member – Direct relative in the ascending line of the partner of a Union citizen who is dependent on that Union citizen and/or that partner – Assessment of the condition of being dependent – Relevant date for determining material dependence – Article 10 – Conditions for the issue of a residence card – Declaratory nature of a residence card – Submission of an application for a residence card in the host Member State several years after leaving the country of origin – Effect of a situation of illegal residence under national legislation on the assessment of the condition of being dependent)