Judgment of the Court (Fifth Chamber) of 9 January 2003 in Case C-257/00 (Reference for a preliminary ruling from the l'Immigration Appeal Tribunal): Nani Givane and Others v Secretary of State for the Home Department (Freedom of movement for workers — Regulation (EEC) No 1251/70 — Right of workers to remain in the territory of a Member State after having been employed in that State — Right of residence of members of the family of a deceased worker — Requirement of the worker's continuous residence for at least two years)