58In that regard, the Court has already held that there are very specific situations in which, despite the fact that secondary law on the right of residence of third-country nationals does not apply and the Union citizen concerned has not made use of freedom of movement, a right of residence must nevertheless be granted to a third-country national who is a family member of that Union citizen, since the effectiveness of Union citizenship would otherwise be undermined if, as a consequence of refusal of such a right, that citizen would be obliged in practice to leave the territory of the European Union as a whole, thus depriving him or her of the genuine enjoyment of the substance of the rights conferred by that status (see, to that effect, judgments of 8 March 2011, Ruiz Zambrano, C‑34/09, EU:C:2011:124, paragraphs 43 and 44, and of 5 May 2022, Subdelegación del Gobierno en Toledo (Residence of a family member – Insufficient resources), C‑451/19 and C‑532/19, EU:C:2022:354, paragraph 45).
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