Judgment of the Court (Fourth Chamber) of 14 March 2019.#Staatssecretaris van Veiligheid en Justitie v Y.Z. and Others.#Request for a preliminary ruling from the Raad van State.#Reference for a preliminary ruling — Right to family reunification — Directive 2003/86/EC — Article 16(2)(a) — Article 17 — Withdrawal of the residence permit of a member of the family of a third-country national — Status of third-country nationals who are long-term residents — Directive 2003/109/EC — Article 9(1)(a) — Loss of that status — Fraud — Lack of knowledge of the fraud.#Case C-557/17.