26In that context, Article 4(1) of that directive imposes on the Member States precise positive obligations, with corresponding clearly defined individual rights. It requires them, in the cases determined by that directive, to authorise the family reunification of certain members of the sponsor’s family, without being left a margin of appreciation (judgment of 13 March 2019, E, C‑635/17, EU:C:2019:192, paragraph 46 and the case-law cited).