Judgment of the Court (Second Chamber) of 5 May 2022.#European Commission v Stefano Missir Mamachi di Lusignano, as heir of Livio Missir Mamachi di Lusignano and Maria Letizia Missir Mamachi di Lusignano, as heir of Livio Missir Mamachi di Lusignano.#Appeal – Civil service – Non-contractual liability of the European Union based on a failure of an institution to fulfil its duty to ensure the protection of its officials – Delegation of the European Commission in Morocco – Murdered official – Non-material damage suffered by the official’s brother and sister – Remedy – Articles 270, 268 and 340 TFEU – Staff Regulations of Officials of the European Union – Articles 40, 42b, 55a, 73, 90 and 91 – Concept of a ‘person to whom the Staff Regulations apply’ – Statement of reasons.#Case C-54/20 P.