56On the other hand, both the permanent right of residence of the mothers of the Union citizens concerned who are minors and the fact that the third country nationals for whom a right of residence is sought are not persons on whom those citizens are legally, financially or emotionally dependent must be taken into consideration when examining the question whether, as a result of the refusal of a right of residence, those citizens would be unable to exercise the substance of the rights conferred by their status. As the Advocate General observes in point 44 of his Opinion, it is the relationship of dependency between the Union citizen who is a minor and the third country national who is refused a right of residence that is liable to jeopardise the effectiveness of Union citizenship, since it is that dependency that would lead to the Union citizen being obliged, in fact, to leave not only the territory of the Member State of which he is a national but also that of the European Union as a whole, as a consequence of such a refusal (see Ruiz Zambrano, paragraphs 43 and 45, and Dereci and Others, paragraphs 65 to 67).
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