Judgment of the Court (Eighth Chamber) of 8 December 2022.#GV v Caisse nationale d’assurance pension.#Request for a preliminary ruling from the Cour de cassation du Grand-Duché de Luxembourg.#Reference for a preliminary ruling – Free movement of persons – Article 45 TFEU – Workers – Regulation (EU) No 492/2011 – Article 7(1) and (2) – Equal treatment – Social advantages – Survivor’s pension – Members of a civil partnership – National legislation making the grant of a survivor’s pension conditional upon the entry in the national register of a partnership that was validly concluded and registered in another Member State.#Case C-731/21.