Case T-143/22: Judgment of the General Court of 7 June 2023 — OP v Parliament (Civil service — Officials — Survivor’s pension — Refusal to grant — Surviving spouse — Eligibility conditions — Duration of the marriage — Plea of illegality — Article 80, first paragraph, of the Staff Regulations — Article 2 of Annex VII to the Staff Regulations — Orphans’ pension — Refusal to grant — Concept of ‘dependent child’ — Error of law)