Judgment of the Court (Ninth Chamber) of 6 June 2024.#ZO v JS.#Request for a preliminary ruling from the Amtsgericht Mönchengladbach-Rheydt.#Reference for a preliminary ruling – Judicial cooperation in civil matters – Jurisdiction in matters relating to maintenance obligations – Regulation (EC) No 4/2009 – Article 12(1) – Lis pendens – Article 13 – Related actions – Concept.#Case C-381/23.